GITNUXREPORT 2026

Miscarriages Statistics

Miscarriage is a sadly common, yet deeply personal global experience.

Rajesh Patel

Team Lead & Senior Researcher with over 15 years of experience in market research and data analytics.

First published: Feb 13, 2026

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Statistic 1

Chromosomal abnormalities account for 50-70% of first-trimester miscarriages.

Statistic 2

Trisomy 16 is the most common chromosomal anomaly in miscarriages at 6-7%.

Statistic 3

Monosomy X (Turner syndrome) causes 15-20% of spontaneous abortions.

Statistic 4

Triploidy represents 15% of chromosomally abnormal miscarriages.

Statistic 5

Maternal genetic translocations cause 2-5% of recurrent miscarriages.

Statistic 6

Listeria monocytogenes infection linked to 20% of second-trimester losses.

Statistic 7

Rubella virus causes miscarriage in 20-50% of first-trimester infections.

Statistic 8

Cytomegalovirus (CMV) primary infection leads to 30% fetal loss.

Statistic 9

Parvovirus B19 associated with 5-10% miscarriage rate in acute infection.

Statistic 10

Uncontrolled hypothyroidism causes 17% higher miscarriage rate.

Statistic 11

Hyperhomocysteinemia (>13 µmol/L) doubles miscarriage risk via thrombosis.

Statistic 12

Uterine septum anomalies cause 15-20% of recurrent miscarriages.

Statistic 13

Bicornuate uterus increases late miscarriage risk by 25%.

Statistic 14

Asherman syndrome leads to 40% pregnancy loss rate post-hysteroscopy.

Statistic 15

Cervical incompetence causes 25% of second-trimester miscarriages.

Statistic 16

Placental abruption accounts for 10-15% of early losses.

Statistic 17

Blighted ovum (anembryonic pregnancy) in 50% of missed miscarriages.

Statistic 18

Molar pregnancy (hydatidiform mole) occurs in 1 in 1,000 pregnancies leading to miscarriage.

Statistic 19

Fetal growth restriction due to single umbilical artery raises loss risk by 20%.

Statistic 20

Turner syndrome mosaicism in 10% of miscarriages.

Statistic 21

Paternal aneuploidy contributes 4% via sperm.

Statistic 22

Zika virus causes 10-15% miscarriage in infected pregnancies.

Statistic 23

Toxoplasmosis acute infection leads to 10% loss.

Statistic 24

Group B Strep untreated +12% risk.

Statistic 25

Unruptured appendix increases risk 2-fold.

Statistic 26

MTHFR mutation (homozygous) raises risk 20% untreated.

Statistic 27

Arcuate uterus mild anomaly +15% risk.

Statistic 28

DES exposure in utero triples uterine anomalies/miscarriages.

Statistic 29

Amniotic band syndrome rare cause of 1% losses.

Statistic 30

Cord prolapse in second trimester 5% fatal.

Statistic 31

Subchorionic hematoma >50% size +22% risk.

Statistic 32

Globally, an estimated 15-20% of all recognized pregnancies end in miscarriage.

Statistic 33

In the United States, about 10% of known pregnancies miscarry, but the true rate may be 25-50% including unrecognized ones.

Statistic 34

Miscarriage occurs in approximately 1 in 4 pregnancies worldwide.

Statistic 35

In the UK, around 1 in 8 known pregnancies miscarry.

Statistic 36

Early miscarriages (before 12 weeks) account for 80% of all pregnancy losses.

Statistic 37

The miscarriage rate after a positive pregnancy test is about 15-20%.

Statistic 38

In Europe, the overall miscarriage rate is estimated at 11-15% of clinical pregnancies.

Statistic 39

Australia reports a miscarriage rate of 15.3% for women aged 20-24.

Statistic 40

In India, miscarriage rates can reach 20-25% in rural areas due to limited healthcare.

Statistic 41

Canada sees about 15-20% of confirmed pregnancies end in miscarriage.

Statistic 42

Brazil has a reported miscarriage incidence of 12-18% among urban populations.

Statistic 43

In China, the miscarriage rate is approximately 12.5% for first pregnancies.

Statistic 44

South Africa reports 17% miscarriage rate in public health facilities.

Statistic 45

Japan has a low miscarriage rate of 9-10% due to advanced prenatal care.

Statistic 46

Russia estimates 13% of pregnancies miscarry before 12 weeks.

Statistic 47

Nigeria faces up to 30% miscarriage rates in low-resource settings.

Statistic 48

In France, the miscarriage rate is 10-15% of diagnosed pregnancies.

Statistic 49

Germany reports 14% early pregnancy loss rate.

Statistic 50

Italy sees 12.5% miscarriage incidence nationally.

Statistic 51

Spain has a 11.4% miscarriage rate per clinical pregnancy.

Statistic 52

In the US, miscarriage rates rise from 9% at age 20-29 to 53% at age 45.

Statistic 53

Europe-wide, 25% of pregnancies end before 6 weeks undetected.

Statistic 54

Mexico reports 18% miscarriage rate in first trimester.

Statistic 55

In Sweden, miscarriage registry shows 12.8% rate.

Statistic 56

Egypt has 22% rate influenced by consanguinity.

Statistic 57

Aspirin + heparin reduces miscarriage by 54% in APS patients.

Statistic 58

Progesterone supplementation cuts risk by 15% in high-risk women.

Statistic 59

Cervical cerclage prevents 30% of preterm losses in incompetent cervix.

Statistic 60

Folic acid 400mcg daily reduces neural tube defects but miscarriage by 10%.

Statistic 61

Smoking cessation lowers risk to baseline within 1 year.

Statistic 62

Weight loss pre-pregnancy in obese women reduces risk by 20%.

Statistic 63

Thyroid screening and treatment halves miscarriage rate in subclinical hypo.

Statistic 64

Limit caffeine to <200mg/day prevents 14% excess risk.

Statistic 65

Avoid alcohol completely to eliminate 25% attributable risk.

Statistic 66

Bed rest ineffective, but pelvic rest advised in threatened miscarriage.

Statistic 67

Misoprostol induces expulsion in 84% of medical management cases.

Statistic 68

Expectant management succeeds in 50% within 2 weeks.

Statistic 69

Surgical evacuation has 99% complete evacuation rate.

Statistic 70

After one miscarriage, 85% chance of live birth next pregnancy.

Statistic 71

After two miscarriages, live birth rate 75% without intervention.

Statistic 72

Three miscarriages drop live birth to 50% untreated.

Statistic 73

Paternal factor testing recommended after 2 losses, finds 4% abnormalities.

Statistic 74

Hysteroscopy before next pregnancy improves live birth by 40% in RM.

Statistic 75

Multivitamins with B12 reduce risk by 22% in early pregnancy.

Statistic 76

80% of couples achieve live birth within 2 years post-miscarriage.

Statistic 77

Levothyroxine normalizes TSH, cuts risk 70%.

Statistic 78

LMWH in thrombophilia reduces RM by 36%.

Statistic 79

IVF with PGS reduces aneuploid miscarriage by 50%.

Statistic 80

Mediterranean diet lowers risk 40% preconception.

Statistic 81

Exercise 150min/wk reduces risk 15%.

Statistic 82

Metformin in PCOS halves early loss.

Statistic 83

IVIG controversial, no benefit in RM trials.

Statistic 84

Alloimmune therapy not recommended, <10% efficacy.

Statistic 85

Genetic counseling post-2 RM finds 5% heritable.

Statistic 86

Laparoscopic myomectomy reduces risk 30% fibroids.

Statistic 87

Metroplasty for septum improves 80% live birth.

Statistic 88

Post-miscarriage counseling prevents 20% PTSD.

Statistic 89

In the US, Black women have a 43% higher miscarriage risk than White women.

Statistic 90

Maternal age over 35 increases miscarriage risk to 20-35%.

Statistic 91

Previous miscarriage history doubles the risk of future miscarriages.

Statistic 92

Smoking during pregnancy raises miscarriage risk by 20-30%.

Statistic 93

Obesity (BMI >30) increases miscarriage risk by 29%.

Statistic 94

Diabetes (pre-gestational) elevates risk by 1.5-2 times.

Statistic 95

Thyroid disorders increase miscarriage risk by 60%.

Statistic 96

Uterine fibroids raise risk by 14-27% depending on size/location.

Statistic 97

Polycystic ovary syndrome (PCOS) associated with 30-50% higher risk.

Statistic 98

Lupus (SLE) patients have 15-20% miscarriage rate per pregnancy.

Statistic 99

Antiphospholipid syndrome triples the miscarriage risk.

Statistic 100

Caffeine intake >200mg/day increases risk by 14%.

Statistic 101

Alcohol consumption raises risk by 25% with moderate use.

Statistic 102

Illicit drug use (cocaine) increases risk up to 40%.

Statistic 103

Advanced paternal age (>40) increases risk by 28%.

Statistic 104

Multiple pregnancies (twins) have 25% miscarriage rate.

Statistic 105

IVF pregnancies have 15-25% higher miscarriage risk than natural.

Statistic 106

Ectopic pregnancy history increases recurrent risk by 10%.

Statistic 107

Low progesterone levels (<10 ng/mL) predict 60% miscarriage risk.

Statistic 108

Advanced maternal age 40+ has 40% miscarriage risk.

Statistic 109

Nulliparity increases risk by 1.5 times vs multiparous.

Statistic 110

Hypertension doubles miscarriage risk in first trimester.

Statistic 111

Asthma uncontrolled raises risk by 25%.

Statistic 112

Endometriosis associated with 35% higher risk.

Statistic 113

Rheumatoid arthritis increases risk by 1.4-fold.

Statistic 114

Sickle cell disease elevates risk to 20-30%.

Statistic 115

HIV untreated increases miscarriage by 15%.

Statistic 116

Short interpregnancy interval <6 months raises risk 40%.

Statistic 117

High stress (PSS>20) linked to 42% higher risk.

Statistic 118

Shift work disrupts circadian rhythm, +20% risk.

Statistic 119

Radiation exposure >5mSv doubles risk.

Statistic 120

Air pollution (PM2.5>25µg/m3) +11% risk.

Statistic 121

Heavy metals (lead>5µg/dL) increase by 50%.

Statistic 122

Vaginal bleeding in first trimester present in 25% of pregnancies, 50% miscarry.

Statistic 123

Cramping abdominal pain occurs in 50-70% of symptomatic miscarriages.

Statistic 124

Passage of tissue or heavy bleeding signals complete miscarriage in 30% cases.

Statistic 125

Ultrasound showing no fetal heartbeat before 7 weeks diagnoses miscarriage in 95% accuracy.

Statistic 126

hCG levels that plateau or drop >50% confirm miscarriage in 99% cases.

Statistic 127

Missed miscarriage (no symptoms) found in 1-5% of routine scans.

Statistic 128

Threatened miscarriage with closed cervix has 90% success rate to term.

Statistic 129

Inevitable miscarriage diagnosed by dilated cervix in 20% first-trimester losses.

Statistic 130

Incomplete miscarriage requires D&C in 50% of surgical management cases.

Statistic 131

Septic miscarriage presents with fever in 5% of untreated cases.

Statistic 132

Serial beta-hCG monitoring useful in 80% of inconclusive ultrasounds.

Statistic 133

Yolk sac absence before 5.5 weeks predicts miscarriage with 100% specificity.

Statistic 134

Crown-rump length <7mm with no heartbeat confirms anembryonic gestation.

Statistic 135

Progesterone <5 ng/mL in first trimester predicts 77% miscarriage risk.

Statistic 136

Recurrent miscarriage defined as 3+ consecutive losses in 1-2% women.

Statistic 137

Embryo with heartbeat <100bpm at 6-7w predicts 25% loss.

Statistic 138

Open cervix >2cm diagnoses inevitable in 95%.

Statistic 139

Products of conception histology abnormal in 70%.

Statistic 140

3D ultrasound detects anomalies missed by 2D in 20%.

Statistic 141

EMA (empty sac) sign definitive for anembryonic.

Statistic 142

Fetal demise with CRL>25mm no HB 100% diagnostic.

Statistic 143

Painless bleeding in molar pregnancy 40% presentation.

Statistic 144

Rh isoimmunization rare cause post-12w loss.

Statistic 145

DVP<2cm predicts loss in threatened 80%.

Statistic 146

Karyotyping of POC recommended in RM 50% yield.

1/146

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While miscarriage is often shrouded in silence, the sobering truth is that an estimated one in four pregnancies worldwide ends in this heartbreaking loss, a universal experience touched by factors ranging from geography and genetics to age and access to care.

Key Takeaways

Globally, an estimated 15-20% of all recognized pregnancies end in miscarriage.
In the United States, about 10% of known pregnancies miscarry, but the true rate may be 25-50% including unrecognized ones.
Miscarriage occurs in approximately 1 in 4 pregnancies worldwide.
In the US, Black women have a 43% higher miscarriage risk than White women.
Maternal age over 35 increases miscarriage risk to 20-35%.
Previous miscarriage history doubles the risk of future miscarriages.
Chromosomal abnormalities account for 50-70% of first-trimester miscarriages.
Trisomy 16 is the most common chromosomal anomaly in miscarriages at 6-7%.
Monosomy X (Turner syndrome) causes 15-20% of spontaneous abortions.
Vaginal bleeding in first trimester present in 25% of pregnancies, 50% miscarry.
Cramping abdominal pain occurs in 50-70% of symptomatic miscarriages.
Passage of tissue or heavy bleeding signals complete miscarriage in 30% cases.
Aspirin + heparin reduces miscarriage by 54% in APS patients.
Progesterone supplementation cuts risk by 15% in high-risk women.
Cervical cerclage prevents 30% of preterm losses in incompetent cervix.

Miscarriage is a sadly common, yet deeply personal global experience.

Causes

Chromosomal abnormalities account for 50-70% of first-trimester miscarriages.
Trisomy 16 is the most common chromosomal anomaly in miscarriages at 6-7%.
Monosomy X (Turner syndrome) causes 15-20% of spontaneous abortions.
Triploidy represents 15% of chromosomally abnormal miscarriages.
Maternal genetic translocations cause 2-5% of recurrent miscarriages.
Listeria monocytogenes infection linked to 20% of second-trimester losses.
Rubella virus causes miscarriage in 20-50% of first-trimester infections.
Cytomegalovirus (CMV) primary infection leads to 30% fetal loss.
Parvovirus B19 associated with 5-10% miscarriage rate in acute infection.
Uncontrolled hypothyroidism causes 17% higher miscarriage rate.
Hyperhomocysteinemia (>13 µmol/L) doubles miscarriage risk via thrombosis.
Uterine septum anomalies cause 15-20% of recurrent miscarriages.
Bicornuate uterus increases late miscarriage risk by 25%.
Asherman syndrome leads to 40% pregnancy loss rate post-hysteroscopy.
Cervical incompetence causes 25% of second-trimester miscarriages.
Placental abruption accounts for 10-15% of early losses.
Blighted ovum (anembryonic pregnancy) in 50% of missed miscarriages.
Molar pregnancy (hydatidiform mole) occurs in 1 in 1,000 pregnancies leading to miscarriage.
Fetal growth restriction due to single umbilical artery raises loss risk by 20%.
Turner syndrome mosaicism in 10% of miscarriages.
Paternal aneuploidy contributes 4% via sperm.
Zika virus causes 10-15% miscarriage in infected pregnancies.
Toxoplasmosis acute infection leads to 10% loss.
Group B Strep untreated +12% risk.
Unruptured appendix increases risk 2-fold.
MTHFR mutation (homozygous) raises risk 20% untreated.
Arcuate uterus mild anomaly +15% risk.
DES exposure in utero triples uterine anomalies/miscarriages.
Amniotic band syndrome rare cause of 1% losses.
Cord prolapse in second trimester 5% fatal.
Subchorionic hematoma >50% size +22% risk.

Causes Interpretation

It's a heartbreaking ledger where our biology's frequent misprints in the first act are joined by a formidable cast of anatomical, infectious, and immune actors, all conspiring to turn the miracle of pregnancy into a statistics-driven battleground.

Incidence Rates

Globally, an estimated 15-20% of all recognized pregnancies end in miscarriage.
In the United States, about 10% of known pregnancies miscarry, but the true rate may be 25-50% including unrecognized ones.
Miscarriage occurs in approximately 1 in 4 pregnancies worldwide.
In the UK, around 1 in 8 known pregnancies miscarry.
Early miscarriages (before 12 weeks) account for 80% of all pregnancy losses.
The miscarriage rate after a positive pregnancy test is about 15-20%.
In Europe, the overall miscarriage rate is estimated at 11-15% of clinical pregnancies.
Australia reports a miscarriage rate of 15.3% for women aged 20-24.
In India, miscarriage rates can reach 20-25% in rural areas due to limited healthcare.
Canada sees about 15-20% of confirmed pregnancies end in miscarriage.
Brazil has a reported miscarriage incidence of 12-18% among urban populations.
In China, the miscarriage rate is approximately 12.5% for first pregnancies.
South Africa reports 17% miscarriage rate in public health facilities.
Japan has a low miscarriage rate of 9-10% due to advanced prenatal care.
Russia estimates 13% of pregnancies miscarry before 12 weeks.
Nigeria faces up to 30% miscarriage rates in low-resource settings.
In France, the miscarriage rate is 10-15% of diagnosed pregnancies.
Germany reports 14% early pregnancy loss rate.
Italy sees 12.5% miscarriage incidence nationally.
Spain has a 11.4% miscarriage rate per clinical pregnancy.
In the US, miscarriage rates rise from 9% at age 20-29 to 53% at age 45.
Europe-wide, 25% of pregnancies end before 6 weeks undetected.
Mexico reports 18% miscarriage rate in first trimester.
In Sweden, miscarriage registry shows 12.8% rate.
Egypt has 22% rate influenced by consanguinity.

Incidence Rates Interpretation

If you distill the global narrative of pregnancy into cold statistics, you’d find that a startlingly common yet deeply personal heartbreak echoes in about one in four journeys worldwide, a number that humbly reminds us of biology’s fragile script before modern medicine or circumstance turns the page.

Prevention/Treatment

Aspirin + heparin reduces miscarriage by 54% in APS patients.
Progesterone supplementation cuts risk by 15% in high-risk women.
Cervical cerclage prevents 30% of preterm losses in incompetent cervix.
Folic acid 400mcg daily reduces neural tube defects but miscarriage by 10%.
Smoking cessation lowers risk to baseline within 1 year.
Weight loss pre-pregnancy in obese women reduces risk by 20%.
Thyroid screening and treatment halves miscarriage rate in subclinical hypo.
Limit caffeine to <200mg/day prevents 14% excess risk.
Avoid alcohol completely to eliminate 25% attributable risk.
Bed rest ineffective, but pelvic rest advised in threatened miscarriage.
Misoprostol induces expulsion in 84% of medical management cases.
Expectant management succeeds in 50% within 2 weeks.
Surgical evacuation has 99% complete evacuation rate.
After one miscarriage, 85% chance of live birth next pregnancy.
After two miscarriages, live birth rate 75% without intervention.
Three miscarriages drop live birth to 50% untreated.
Paternal factor testing recommended after 2 losses, finds 4% abnormalities.
Hysteroscopy before next pregnancy improves live birth by 40% in RM.
Multivitamins with B12 reduce risk by 22% in early pregnancy.
80% of couples achieve live birth within 2 years post-miscarriage.
Levothyroxine normalizes TSH, cuts risk 70%.
LMWH in thrombophilia reduces RM by 36%.
IVF with PGS reduces aneuploid miscarriage by 50%.
Mediterranean diet lowers risk 40% preconception.
Exercise 150min/wk reduces risk 15%.
Metformin in PCOS halves early loss.
IVIG controversial, no benefit in RM trials.
Alloimmune therapy not recommended, <10% efficacy.
Genetic counseling post-2 RM finds 5% heritable.
Laparoscopic myomectomy reduces risk 30% fibroids.
Metroplasty for septum improves 80% live birth.
Post-miscarriage counseling prevents 20% PTSD.

Prevention/Treatment Interpretation

Medicine offers a sharp array of tools—from the potent heparin for APS to the humble folic acid, from thyroid vigilance to smoking cessation—that can precisely chip away at the many causes of miscarriage, while firmly reminding us that some interventions are lifesavers, others are lifelines, and a few are just medical theater.

Risk Factors

In the US, Black women have a 43% higher miscarriage risk than White women.
Maternal age over 35 increases miscarriage risk to 20-35%.
Previous miscarriage history doubles the risk of future miscarriages.
Smoking during pregnancy raises miscarriage risk by 20-30%.
Obesity (BMI >30) increases miscarriage risk by 29%.
Diabetes (pre-gestational) elevates risk by 1.5-2 times.
Thyroid disorders increase miscarriage risk by 60%.
Uterine fibroids raise risk by 14-27% depending on size/location.
Polycystic ovary syndrome (PCOS) associated with 30-50% higher risk.
Lupus (SLE) patients have 15-20% miscarriage rate per pregnancy.
Antiphospholipid syndrome triples the miscarriage risk.
Caffeine intake >200mg/day increases risk by 14%.
Alcohol consumption raises risk by 25% with moderate use.
Illicit drug use (cocaine) increases risk up to 40%.
Advanced paternal age (>40) increases risk by 28%.
Multiple pregnancies (twins) have 25% miscarriage rate.
IVF pregnancies have 15-25% higher miscarriage risk than natural.
Ectopic pregnancy history increases recurrent risk by 10%.
Low progesterone levels (<10 ng/mL) predict 60% miscarriage risk.
Advanced maternal age 40+ has 40% miscarriage risk.
Nulliparity increases risk by 1.5 times vs multiparous.
Hypertension doubles miscarriage risk in first trimester.
Asthma uncontrolled raises risk by 25%.
Endometriosis associated with 35% higher risk.
Rheumatoid arthritis increases risk by 1.4-fold.
Sickle cell disease elevates risk to 20-30%.
HIV untreated increases miscarriage by 15%.
Short interpregnancy interval <6 months raises risk 40%.
High stress (PSS>20) linked to 42% higher risk.
Shift work disrupts circadian rhythm, +20% risk.
Radiation exposure >5mSv doubles risk.
Air pollution (PM2.5>25µg/m3) +11% risk.
Heavy metals (lead>5µg/dL) increase by 50%.

Risk Factors Interpretation

These statistics paint a grim portrait of pregnancy as a gauntlet where biology can be brutally unfair, society's failures compound the danger, and our own choices sometimes stack the deck against us.

Symptoms/Diagnosis

Vaginal bleeding in first trimester present in 25% of pregnancies, 50% miscarry.
Cramping abdominal pain occurs in 50-70% of symptomatic miscarriages.
Passage of tissue or heavy bleeding signals complete miscarriage in 30% cases.
Ultrasound showing no fetal heartbeat before 7 weeks diagnoses miscarriage in 95% accuracy.
hCG levels that plateau or drop >50% confirm miscarriage in 99% cases.
Missed miscarriage (no symptoms) found in 1-5% of routine scans.
Threatened miscarriage with closed cervix has 90% success rate to term.
Inevitable miscarriage diagnosed by dilated cervix in 20% first-trimester losses.
Incomplete miscarriage requires D&C in 50% of surgical management cases.
Septic miscarriage presents with fever in 5% of untreated cases.
Serial beta-hCG monitoring useful in 80% of inconclusive ultrasounds.
Yolk sac absence before 5.5 weeks predicts miscarriage with 100% specificity.
Crown-rump length <7mm with no heartbeat confirms anembryonic gestation.
Progesterone <5 ng/mL in first trimester predicts 77% miscarriage risk.
Recurrent miscarriage defined as 3+ consecutive losses in 1-2% women.
Embryo with heartbeat <100bpm at 6-7w predicts 25% loss.
Open cervix >2cm diagnoses inevitable in 95%.
Products of conception histology abnormal in 70%.
3D ultrasound detects anomalies missed by 2D in 20%.
EMA (empty sac) sign definitive for anembryonic.
Fetal demise with CRL>25mm no HB 100% diagnostic.
Painless bleeding in molar pregnancy 40% presentation.
Rh isoimmunization rare cause post-12w loss.
DVP<2cm predicts loss in threatened 80%.
Karyotyping of POC recommended in RM 50% yield.

Symptoms/Diagnosis Interpretation

The data paints a stark clinical portrait: while bleeding can be common and often benign, a symphony of specific signs—from a silent ultrasound to a falling hormone level—orchestrates a near-certain diagnosis, yet amidst the precision, the hopeful statistic of a threatened miscarriage with a closed cervix carries a 90% chance of a healthy term.

Sources & References

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