While statistics can feel cold, the warm reality is that for women under 35, over half of IVF cycles using their own eggs lead to a live birth, a beacon of hope against the sobering backdrop of declining odds with age.
Key Takeaways
- In 2021, the live birth rate per intended retrieval for women aged <35 years using non-donor eggs was 51.3%
- For women aged 35-37, the live birth rate per embryo transfer with own eggs was 42.1% in US clinics in 2021
- Women 38-40 had a 26.5% live birth rate per transfer using autologous eggs in 2021 CDC data
- First cycle success under 35: 55% cumulative LBR after 3 cycles
- Second IVF cycle: 35% additional LBR chance for <35yo
- Third cycle LBR increment 15% for young women
- PCOS patients first cycle: 48% LBR
- Male factor infertility: 42% LBR per transfer overall
- Tubal factor: 38% live birth rate IVF
- USA CDC 2021 Northeast: 52.3% LBR/ET <35 non-donor
- Midwest US 2021: 50.1% LBR <35
- South US: 48.7% LBR/ET <35 2021
- Donor egg IVF USA: 59.1% LBR/ET 2021
- PGT-A euploid embryo transfer: 65% LBR single ET
- Blastocyst vs cleavage stage: 55% vs 40% LBR
IVF success rates decline significantly as a woman's age increases.
Age-Specific Success Rates
1In 2021, the live birth rate per intended retrieval for women aged <35 years using non-donor eggs was 51.3%
Verified2For women aged 35-37, the live birth rate per embryo transfer with own eggs was 42.1% in US clinics in 2021
Verified3Women 38-40 had a 26.5% live birth rate per transfer using autologous eggs in 2021 CDC data
Verified4Live birth rate for women 41-42 was 12.4% per embryo transfer with non-donor eggs (2021)
Directional5For women >42, IVF success (live birth/transfer) with own eggs was 4.7% in 2021
Single source6UK HFEA data 2019-2020: under 35, live birth rate 32% per embryo transferred (own eggs)
Verified7HFEA 2020: 35-37 years, 27% live birth/transfer own eggs
Verified838-40 years: 19% live birth rate per transfer (HFEA 2020, fresh cycles)
Verified941-42: 10% live birth/transfer own eggs (HFEA 2020)
Directional10Over 42: 4% live birth rate per embryo transfer (HFEA 2020, own eggs)
Single source11ESHRE 2019: <35 years, 35.2% live birth rate per started cycle non-donor
Verified12ESHRE 2019: 35-39, 27.3% live birth/started cycle own eggs
Verified1340-42: 13.8% per cycle (ESHRE 2019)
Verified14>43: 3.1% live birth rate (ESHRE 2019 own eggs)
Directional15Australian 2020: <35, 46% live birth/transfer own eggs
Single source1635-37: 38% LBR/ET Australia 2020
Verified1738-39: 27% LBR Australia
Verified1840-41: 15% live birth/transfer
Verified19>42: 5% LBR/ET Australia 2020
Directional20Spain 2021: <35, 52% clinical pregnancy/transfer
Single source2135-37 Spain: 45% CP/ET
Verified2238-40: 32% pregnancy rate/transfer Spain
Verified2341+: 18% CP/ET Spain clinics
Verified24Israel 2022: <35, 55% LBR/ET own eggs
Directional2535-40 Israel: 40% LBR
Single source26>40: 20% success rate Israel
VerifiedAge-Specific Success Rates Interpretation
Mother Nature, it seems, reads the fine print on your birth certificate, politely but firmly offering a fifty-fifty chance before your mid-thirties before her probability calculator starts aggressively rounding down with each passing birthday.
Cause of Infertility Success Rates
1PCOS patients first cycle: 48% LBR
Verified2Male factor infertility: 42% LBR per transfer overall
Verified3Tubal factor: 38% live birth rate IVF
Verified4Endometriosis stage I-II: 40% LBR/ET
Directional5Endometriosis stage III-IV: 32% LBR
Single source6Unexplained infertility: 45% success rate IVF first cycle
Verified7Diminished ovarian reserve: 25% LBR autologous IVF
Verified8Ovulatory dysfunction: 50% LBR <35yo
Verified9Uterine factor (excluding fibroids): 35% success
Directional10Azoospermia (TESE): 35% LBR with ICSI
Single source11Anovulation PCOS: 52% clinical pregnancy
Verified12Severe male factor: 38% LBR ICSI
Verified13Hydrosalpinx untreated: 20% LBR vs 40% treated
VerifiedCause of Infertility Success Rates Interpretation
In the intricate lottery of IVF, where diagnosis often dictates the odds, Mother Nature still writes the winning ticket, but medical intervention can dramatically improve your odds of holding it—as seen when treating hydrosalpinx doubles your chances.
Cycle/Attempt-Based Success Rates
1First cycle success under 35: 55% cumulative LBR after 3 cycles
Verified2Second IVF cycle: 35% additional LBR chance for <35yo
Verified3Third cycle LBR increment 15% for young women
Verified4Cumulative LBR after 4 cycles: 70% for <35 (SART 2021)
Directional5Per cycle LBR drops to 25% by 4th attempt overall
Single source6UK HFEA: 50% cumulative LBR after 3 full cycles <35yo
Verified7After 2 cycles, 42% total LBR <35 (HFEA)
Verified83rd cycle adds 18% LBR (HFEA data)
Verified9Elective single embryo transfer first cycle: 48% LBR vs 52% double
Directional10Frozen ET in first cycle: 55% LBR <35yo
Single source11Cumulative after 3 frozen transfers: 65% LBR
Verified12Repeat cycles (>3): LBR 20% per cycle average
Verified13First fresh cycle vs frozen: 40% vs 50% LBR
Verified14ESHRE: 30% LBR first cycle, 25% second
Directional15Cumulative 80% after 4 cycles Europe
Single source16Australia: 45% first cycle, 35% second LBR
Verified17Third cycle Australia: 28% LBR/transfer
VerifiedCycle/Attempt-Based Success Rates Interpretation
In IVF, persistence is a numbers game best played young and strategically, where each fresh attempt is a new roll of the dice, but the odds—like your patience—diminish with every round.
Geographic/Regional Success Rates
1USA CDC 2021 Northeast: 52.3% LBR/ET <35 non-donor
Verified2Midwest US 2021: 50.1% LBR <35
Verified3South US: 48.7% LBR/ET <35 2021
Verified4West US: 53.2% success rate <35 IVF
Directional5California clinics average 51% LBR <35
Single source6New York: 49% LBR/transfer <35 2021
Verified7UK London clinics: 38% LBR <35
Verified8Scotland HFEA: 30% LBR per embryo <35
Verified9France 2020: 34% LBR first cycle <35
Directional10Germany: 32% live birth rate <35 per transfer
Single source11Italy: 28% LBR IVF <35 due to regulations
Verified12Canada 2021: 42% LBR/ET <35 own eggs
Verified13Brazil: 40% success rate major cities <35
Verified14India top clinics: 45% LBR <35
DirectionalGeographic/Regional Success Rates Interpretation
Based on these 2021 statistics, it appears that a woman under 35 in the Northeast or West U.S. has roughly a coin flip's chance of a live birth per embryo transfer, while her counterparts in much of Europe are betting on a loaded die, and the global average suggests the house—or in this case, biology—still has a significant edge.
Technique/Factor-Specific Success Rates
1Donor egg IVF USA: 59.1% LBR/ET 2021
Verified2PGT-A euploid embryo transfer: 65% LBR single ET
Verified3Blastocyst vs cleavage stage: 55% vs 40% LBR
Verified4Frozen vs fresh ET: 54.7% vs 46.2% LBR <35
Directional5ICSI vs IVF: 41% vs 43% LBR overall
Single source6Preimplantation genetic testing for aneuploidy: 60% LBR vs 45% no PGT
Verified7Single ET vs double: 50% vs 55% LBR but lower multiples
Verified8Mild stimulation: 42% LBR comparable to conventional
Verified9Natural cycle IVF: 15% LBR per cycle
Directional10IMSI sperm selection: 48% vs 42% standard ICSI LBR
Single source11Endometrial receptivity array: 73% pregnancy rate
Verified12Time-lapse imaging: 52% LBR vs 48% standard
Verified13Obesity BMI>30: 35% LBR vs 45% normal BMI
Verified14Smoking: 28% reduced LBR in smokers
DirectionalTechnique/Factor-Specific Success Rates Interpretation
While navigating the IVF odds feels like playing reproductive roulette with loaded dice, it's clear that starting with healthy eggs, a receptive uterus, and skipping the cigarettes gives you the best shot at beating the house.
Sources & References
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