Infertility causes: a clear overview
Causes may involve one partner, both, or remain unexplained even after testing. Finding a cause helps choose treatment — but unexplained infertility is still treatable in many cases.
People searching for infertility causes often want a simple list. Reality is more nuanced: age, ovulation, sperm health, tubal patency, uterine factors, endometriosis, lifestyle and medical history all interact.
Major categories
Ovulatory — irregular or absent ovulation. Tubal — blockage or damage. Male factor — count, motility, morphology or obstruction. Uterine — polyps, fibroids, adhesions in some cases. Unexplained — tests look acceptable yet conception has not occurred.
Read next
Male infertility · Female infertility · Fertility evaluation · Understanding fertility.
Please note. This page is general information, not medical advice. What is appropriate for you depends on your history, your investigations and a specialist assessment. No fertility treatment can guarantee a pregnancy.
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Fertility care is a personal series of decisions. It begins with your history, your questions and the findings that matter to your treatment.
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