Fertility News
Fertility News
Global fertility updates, research signals, policy shifts, and clinic-facing news collected in one place.
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Obesity and IVF Embryo Development: Does Metabolic Health Tell the Whole Story?
A study of 3,770 women linked higher BMI to lower fertilization and blastocyst-quality measures, even with good metabolic health. Live-birth findings differed.
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IVF Ultrasound at 6 Weeks 5 Days: No Embryo—Does It Mean Miscarriage?
A UK study of 10,009 IVF pregnancies tested a 47-day ultrasound threshold. What the findings mean—and why further validation is essential.
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Antibiotics for Recurrent Miscarriage: No Clear Benefit in a 438-Woman Trial
A UK trial of 438 women with recurrent miscarriage and CD138-positive endometrial findings found no significant benefit from doxycycline over placebo.
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AI Prediction of IVF Pregnancy: What Did 6,076 Women Reveal?
Seven AI models used routine IVF data from 6,076 women. The best validation AUC was 0.606—why clinical pregnancy prediction still has major limits.
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Progynova and Ovarian Insufficiency: Follicle Growth, Not Menopause Reversal
Estradiol pretreatment reports describe residual follicle growth in ovarian insufficiency. They do not prove new egg production or reversal of natural menopause.
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Endometriosis and Adenomyosis: Longer Periods, but Not Necessarily More Pain
In 119 surgical patients, coexisting adenomyosis was linked to longer bleeding and more bowel symptoms, without significant differences in pain or infertility.
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Endometriosis Pain by Location: Why Superficial Lesions Can Hurt So Much
A study of 234 affected women linked superficial lesions with several pain symptoms. Location and hormonal-treatment response require careful interpretation.
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Slow IVF Embryos, Normal Chromosomes: Are Good Embryos Being Left Behind?
Among 1,711 blastocysts, low timing scores did not reliably signal abnormal chromosomes. What the findings mean for time-lapse embryo selection.
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IVF Lab Air Quality: Cleaner Air, Better ICSI Blastocysts?
A Kyoto study linked VOC filtration with more high-quality ICSI blastocysts, without a clear change in overall blastocyst formation.
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Endometriosis Pain: Why the Location of a Lesion May Matter More Than Its Depth
In 234 women, endometriosis location was linked to pain patterns and some hormone-treatment responses. Superficial lesions did not necessarily mean mild pain.
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Obesity and Pregnancy Loss After IVF: Higher Odds Despite Similar Clinical Pregnancy Rates
An 8,923-cycle study linked obesity with higher pregnancy-loss odds, but not clinical pregnancy rates. Why odds ratios do not prove weight loss prevents miscarriage.
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AMH After Breast Cancer Chemotherapy: Can an Ultrasensitive Test Predict Ovarian Insufficiency?
An ultrasensitive AMH assay measured tiny hormone levels after breast cancer chemotherapy. A 145-woman study examined prediction of ovarian insufficiency.