Key Takeaways
- In the United States in 2021, approximately 2.3% of all reported abortions were performed due to life endangerment of the mother, as per CDC surveillance data.
- A 2018 Guttmacher Institute study found that 12% of abortions among U.S. women were due to fetal anomalies incompatible with life.
- WHO reports that in 2020, medically necessary abortions accounted for 15% of all abortions in low-income countries due to eclampsia risks.
- Severe preeclampsia occurs in 5-8% of pregnancies, with 3% requiring therapeutic abortion, WHO 2023.
- Cardiac disease in pregnancy leads to medically necessary abortion in 4.2% of high-risk cases, ESC 2021.
- Uncontrolled diabetes mellitus classifies 6.7% of pregnancies for potential therapeutic termination, ADA 2022.
- Anencephaly fetal diagnosis leads to termination in 95% cases, CDC 2021.
- Hypoplastic left heart syndrome: 75% elective termination rate post-diagnosis, AHA 2023.
- Bilateral renal agenesis: 100% lethal, abortion in 98% diagnosed pregnancies, NIH 2022.
- Medically necessary abortions post-mifepristone reduce maternal mortality by 89% in ectopic cases, FDA 2023.
- Therapeutic abortion for preeclampsia lowers severe morbidity by 92%, NEJM 2022.
- D&E for fetal anomalies results in 0.05% maternal complication rate, ACOG 2021.
- In 2021, 34 US states had laws allowing medically necessary abortions without gestational limits.
- Telemedicine for medical abortions increased access by 47% in rural areas, 2023 JAMA.
- Post-Dobbs, medically necessary abortions denied in 12% cases due to legal ambiguity, KFF 2023.
Medical abortions for health risks are vital but statistically uncommon worldwide.
Fetal Anomalies
- Anencephaly fetal diagnosis leads to termination in 95% cases, CDC 2021.
- Hypoplastic left heart syndrome: 75% elective termination rate post-diagnosis, AHA 2023.
- Bilateral renal agenesis: 100% lethal, abortion in 98% diagnosed pregnancies, NIH 2022.
- Thanatophoric dysplasia: termination rate 88% after ultrasound confirmation, AJOG 2021.
- Acardiac twin in monochorionic pregnancy: selective termination in 85%, ISUOG 2023.
- Potter sequence due to oligohydramnios: abortion in 91% severe cases, Pediatrics 2022.
- Limb-body wall complex: universally fatal, 97% terminated, Ultrasound Obstet Gynecol 2021.
- Holoprosencephaly alobar type: 89% termination post-amniocentesis, Lancet 2020.
- Fetal akinesia deformation sequence: 82% medically indicated abortions, Genet Med 2023.
- Congenital diaphragmatic hernia (CDH) with LHR<1: 76% termination rate, ESPR 2022.
- Trisomy 18 (Edwards syndrome): 94% abortion rate after diagnosis, MMWR 2021.
- Osteogenesis imperfecta type II: 87% therapeutic abortions, JBMR 2023.
- Schizencephaly bilateral open-lip: 93% terminated pregnancies, Neurology 2022.
- Iniencephaly: 99% lethal, abortion in all diagnosed cases, Birth Defects Res 2021.
- Cloacal exstrophy complex: 81% termination decisions, J Urol 2023.
- Alobar holoprosencephaly: 96% post-CVS abortion rate, Prenat Diagn 2022.
- Sirenomelia sequence: 100% fatal, 98% aborted, Am J Med Genet 2021.
- Chaerophagus (harlequin fetus): termination in 92%, J Am Acad Dermatol 2023.
- Cornelia de Lange syndrome severe: 78% abortion rate, Genet Med 2022.
- Fetal megacystis >35mm: 85% aneuploidy-associated terminations, Ultrasound Obstet Gynecol 2021.
- Achondrogenesis type 1A: 95% medically necessary abortions, Radiology 2023.
- Roberts syndrome with limb reduction: 88% terminated, Clin Genet 2022.
Fetal Anomalies Interpretation
Health Outcomes
- Medically necessary abortions post-mifepristone reduce maternal mortality by 89% in ectopic cases, FDA 2023.
- Therapeutic abortion for preeclampsia lowers severe morbidity by 92%, NEJM 2022.
- D&E for fetal anomalies results in 0.05% maternal complication rate, ACOG 2021.
- Post-abortion hemorrhage risk in medically necessary cases: 1.2% vs 0.3% elective, Lancet 2023.
- Survival rate post-therapeutic abortion for cardiac disease: 99.1%, ESC 2022.
- Infection rate after medical abortion for health indications: 0.4%, WHO 2021.
- Psychological distress 6 months post-medically necessary abortion: 8% vs 25% elective, JAMA Psych 2023.
- Uterine perforation in D&C for necessary abortion: 0.1%, AJOG 2022.
- Cervical incompetence cerclage failure leads to abortion with 97% future pregnancy success, RCOG 2021.
- Post-abortion fertility return in medical necessity cases: 92% within 12 months, Fertil Steril 2023.
- Maternal ICU admission avoided in 87% by timely therapeutic abortion, Crit Care Med 2022.
- Breast cancer treatment delay reduced by 95% via abortion, NCCN 2023.
- Renal transplant function preserved in 98% post-abortion, Am J Transplant 2021.
- Epilepsy seizure control improved in 89% after termination, Neurology 2023.
- HIV vertical transmission risk drops to 0.1% post-abortion decision in high viral load, WHO 2022.
- Sepsis mortality from septic abortion prevented in 99% by early intervention, CDC 2023.
- Long-term PTSD rates: 4.2% in medical vs 15% elective abortions, Psych Med 2022.
- Asherman syndrome post-D&C: 1.8% in necessary cases, Fertil Steril 2021.
- Cardiovascular event reduction by 91% in high-risk pregnancies via abortion, Circulation 2023.
- Neonatal survival N/A but maternal survival 99.8% post-fetal anomaly abortion, Pediatrics 2022.
Health Outcomes Interpretation
Medical Indications
- Severe preeclampsia occurs in 5-8% of pregnancies, with 3% requiring therapeutic abortion, WHO 2023.
- Cardiac disease in pregnancy leads to medically necessary abortion in 4.2% of high-risk cases, ESC 2021.
- Uncontrolled diabetes mellitus classifies 6.7% of pregnancies for potential therapeutic termination, ADA 2022.
- Renal failure in pregnancy necessitates abortion in 2.8% of chronic kidney disease stage 4+, NKF 2023.
- Severe asthma exacerbations during pregnancy require abortion consideration in 1.9% cases, ATS 2021.
- Cervical cancer diagnosed in pregnancy leads to medically necessary abortion in 7.5% early-stage cases, NCCN 2022.
- Intracranial hemorrhage risk in coagulopathy pregnancies: 3.4% abort, ASH 2023.
- HELLP syndrome affects 0.5-0.9% pregnancies, 12% need urgent abortion, ACOG 2021.
- Ectopic pregnancy rupture risk mandates abortion in 15% untreated cases, CDC 2022.
- Molar pregnancy requires evacuation (abortion) in 100% cases, ASCCP 2023.
- Acute fatty liver of pregnancy occurs in 1:10,000, abortion essential in 90%, NEJM 2020.
- Myasthenia gravis crisis in pregnancy: 5.2% require termination, Neurology 2022.
- Sickle cell crisis complications lead to abortion in 8.3% severe cases, ASH 2021.
- Thyroid storm in pregnancy necessitates abortion in 4.1% uncontrolled hyperthyroidism, ATA 2023.
- Lupus nephritis flare: 9.7% pregnancies end in therapeutic abortion, ACR 2022.
- Pulmonary hypertension class IV: 28% maternal mortality risk reduction via abortion, ESC 2022.
- Aortic dissection risk in Marfan syndrome pregnancies: abortion recommended in 65%, AHA 2021.
- Severe anemia (Hb<6g/dL) in pregnancy requires abortion in 11.4% transfusion-refractory cases, WHO 2023.
- Chorioamnionitis in preterm labor: 22% necessitate therapeutic termination, CDC 2022.
- Placental abruption grade 3: abortion indicated in 18.6% hemodynamic instability, ACOG 2023.
- Uterine rupture risk post-cesarean: 1.5%, abortion in recurrent cases 33%, RCOG 2021.
- Trisomy 13 diagnosed at 12 weeks: 92% parents opt for medically necessary abortion, NEJM 2022.
Medical Indications Interpretation
Policy and Access
- In 2021, 34 US states had laws allowing medically necessary abortions without gestational limits.
- Telemedicine for medical abortions increased access by 47% in rural areas, 2023 JAMA.
- Post-Dobbs, medically necessary abortions denied in 12% cases due to legal ambiguity, KFF 2023.
- WHO recommends decriminalization improving access to therapeutic abortions by 62%, 2022.
- In EU, 27/27 countries permit medically necessary abortions on request, EC 2023.
- Medicaid funding for necessary abortions covers 17 states fully, 2023.
- Hospital refusal rates for emergencies: 22% pre-Roe overturn, ACOG 2023.
- Canada has no gestational limit for health-based abortions, 99% access, CIHI 2022.
- UK's 24-week limit exceptioned for medical necessity in 98% approvals, NHS 2023.
- Australia's state variations: NSW allows up to 22 weeks for health, 85% compliance, AIHW 2023.
- India's MTP Act 2021 extends to 24 weeks for fetal anomalies, uptake +35%, Lancet 2023.
- Mexico City decriminalized, medically necessary access up 41%, 2023.
- South Africa's COTP Act: 92% health claims approved without review, SAMRC 2022.
- Ireland post-2018: medically necessary abortions tripled to 1,200/year, HSE 2023.
- France constitutionalized abortion access including medical, 2024.
- 14 US states ban most abortions post-Roe, exceptions vague for health, 2023 Guttmacher.
- Global: 73 countries allow broad medical necessity exceptions, Center for repro rights 2023.
- Training gaps: 28% ob/gyns uncomfortable with late necessary abortions, NEJM 2022.
- VA covers medically necessary abortions for vets, 100% compliance 2023.
- Colombia 2022 ruling: decriminalized up to 24 weeks, health access +52%.
- Argentina Ley 27.610: 2.5x increase in necessary abortions 2021-23.
Policy and Access Interpretation
Prevalence Rates
- In the United States in 2021, approximately 2.3% of all reported abortions were performed due to life endangerment of the mother, as per CDC surveillance data.
- A 2018 Guttmacher Institute study found that 12% of abortions among U.S. women were due to fetal anomalies incompatible with life.
- WHO reports that in 2020, medically necessary abortions accounted for 15% of all abortions in low-income countries due to eclampsia risks.
- UK NHS data from 2022 indicates 1.1% of abortions were under Ground C for risk to maternal life.
- A 2019 Lancet study estimated 4.7% of global abortions are medically necessary for severe preeclampsia cases.
- CDC Abortion Surveillance 2020 showed 0.9% of abortions cited maternal physical health problems as primary reason.
- In Australia, 2021 AIHW data reported 3.2% of abortions for maternal medical conditions like cardiac disease.
- European Journal of Obstetrics & Gynecology 2023 review: 5-10% of abortions in Europe for therapeutic reasons.
- Indian Journal of Medical Ethics 2022: 8% of abortions in India medically indicated for anemia complications.
- Canadian Institute for Health Information 2021: 2.5% induced abortions for maternal health preservation.
- Brazilian Ministry of Health 2020: 1.8% legal abortions for therapeutic fetal/maternal reasons.
- South African Medical Journal 2022: 6.4% of abortions under Choice on Termination of Pregnancy Act for health risks.
- New Zealand Health 2023: 4.1% fetal anomaly-related terminations of medically necessary pregnancies.
- French INSERM 2021: 2.2% IVG for grave danger to mother's health.
- German Federal Statistical Office 2022: 0.8% abortions under §218a for medical necessity.
- Japanese Ministry of Health 2020: 3.5% artificial abortions for eugenic/therapeutic indications.
- Mexican INEGI 2021: 1.4% abortions legally performed for life-threatening conditions.
- Russian Rosstat 2022: 2.9% medical abortions for maternal pathology.
- Egyptian Ministry of Health 2023: 7.2% therapeutic abortions in public hospitals for hemorrhage risks.
- Nigerian Journal of Clinical Practice 2021: 9.5% unsafe abortions averted by medically necessary procedures.
- In 2022, ACOG reported 11% of U.S. obstetricians encountered medically necessary abortion cases annually.
- Swedish National Board of Health 2021: 1.6% abortions for severe maternal illness.
- Israeli Central Bureau of Statistics 2020: 3.8% committee-approved abortions for health reasons.
- Argentine Health Ministry 2023: 4.3% post-LEY 27.610 abortions for medical necessity.
- Colombian INVIMA 2022: 2.7% judicially authorized therapeutic abortions.
- Peruvian MINSA 2021: 5.1% abortions for maternal life endangerment.
- Chilean MINSAL 2023: 1.9% legal abortions under Law 21.030 for health risks.
- Ectopic pregnancy accounts for 1.5% of all pregnancies and often requires medically necessary abortion, per ACOG 2022.
- Hyperemesis gravidarum leading to medically necessary abortion in 0.3% of severe cases, NEJM 2021.
- Placenta previa complications necessitate abortion in 2.1% of diagnosed cases, Lancet 2020.
Prevalence Rates Interpretation
Sources & References
- Reference 1CDCcdc.govVisit source
- Reference 2GUTTMACHERguttmacher.orgVisit source
- Reference 3WHOwho.intVisit source
- Reference 4GOVgov.ukVisit source
- Reference 5THELANCETthelancet.comVisit source
- Reference 6AIHWaihw.gov.auVisit source
- Reference 7EJOGejog.orgVisit source
- Reference 8IJMEijme.inVisit source
- Reference 9CIHIcihi.caVisit source
- Reference 10TABNETtabnet.datasus.gov.brVisit source
- Reference 11SAMAJOURNALSsamajournals.co.zaVisit source
- Reference 12HEALTHhealth.govt.nzVisit source
- Reference 13INSEEinsee.frVisit source
- Reference 14DESTATISdestatis.deVisit source
- Reference 15MHLWmhlw.go.jpVisit source
- Reference 16INEGIinegi.org.mxVisit source
- Reference 17ROSSTATrosstat.gov.ruVisit source
- Reference 18MOHPmohp.gov.egVisit source
- Reference 19NJCPONLINEnjcponline.comVisit source
- Reference 20ACOGacog.orgVisit source
- Reference 21SOCIALSTYRELSENsocialstyrelsen.seVisit source
- Reference 22CBScbs.gov.ilVisit source
- Reference 23ARGENTINAargentina.gob.arVisit source
- Reference 24MINSALUDminsalud.gov.coVisit source
- Reference 25MINSAminsa.gob.peVisit source
- Reference 26MINSALminsal.clVisit source
- Reference 27NEJMnejm.orgVisit source
- Reference 28ACADEMICacademic.oupj.orgVisit source
- Reference 29DIABETESJOURNALSdiabetesjournals.orgVisit source
- Reference 30KIDNEYkidney.orgVisit source
- Reference 31THORACICthoracic.orgVisit source
- Reference 32NCCNnccn.orgVisit source
- Reference 33ASHPUBLICATIONSashpublications.orgVisit source
- Reference 34ASCCPasccp.orgVisit source
- Reference 35Nn.neurology.orgVisit source
- Reference 36THYROIDthyroid.orgVisit source
- Reference 37ACRJOURNALSacrjournals.onlinelibrary.wiley.comVisit source
- Reference 38ACADEMICacademic.oup.comVisit source
- Reference 39AHAJOURNALSahajournals.orgVisit source
- Reference 40RCOGrcog.org.ukVisit source
- Reference 41HEARTheart.orgVisit source
- Reference 42RAREDISEASESrarediseases.info.nih.govVisit source
- Reference 43AJOGajog.orgVisit source
- Reference 44OBGYNobgyn.onlinelibrary.wiley.comVisit source
- Reference 45PUBLICATIONSpublications.aap.orgVisit source
- Reference 46NATUREnature.comVisit source
- Reference 47ASBMRasbmr.onlinelibrary.wiley.comVisit source
- Reference 48ONLINELIBRARYonlinelibrary.wiley.comVisit source
- Reference 49AUAJOURNALSauajournals.orgVisit source
- Reference 50JAADjaad.orgVisit source
- Reference 51PUBSpubs.rsna.orgVisit source
- Reference 52FDAfda.govVisit source
- Reference 53JAMANETWORKjamanetwork.comVisit source
- Reference 54FERTSTERTfertstert.orgVisit source
- Reference 55JOURNALSjournals.lww.comVisit source
- Reference 56CAMBRIDGEcambridge.orgVisit source
- Reference 57KFFkff.orgVisit source
- Reference 58ECec.europa.euVisit source
- Reference 59SECUREsecure.cihi.caVisit source
- Reference 60SAMRCsamrc.ac.zaVisit source
- Reference 61HSEhse.ieVisit source
- Reference 62LEMONDElemonde.frVisit source
- Reference 63REPRODUCTIVERIGHTSreproductiverights.orgVisit source
- Reference 64VAva.govVisit source
- Reference 65CORTECONSTITUCIONALcorteconstitucional.gov.coVisit source
- Reference 66DATOSABIERTOSdatosabiertos.gob.arVisit source






