Medical conditions Some medical conditions can affect fertility. Ovulation disorders appear to be the most common cause of infertility in women. Ovulation is the monthly release of an egg. The eggs may never be released or they may only be released in some cycles. Ovulation disorders can be due to: Premature ovarian failure: The ovaries stop working before the age of 40 years. Polycystic ovary syndrome (PCOS): The ovaries function abnormally and ovulation may notT rusted Source occur. Hyperprolactinemia: If prolactin levels are high, and the woman is not pregnant or breastfeeding, it may affect ovulation and fertility. Poor egg quality: Eggs that are damaged or develop genetic abnormalities cannot sustain a pregnancy. The older a woman is, the higher the risk. Thyroid problems: An overactive or underactive thyroid gland can lead to a hormonal imbalance. Chronic conditions: These include AIDS or cancer. Best Fertility Care Centre , Maternal and Child Health Care Centre , Advanced Fertility Care Centre , Ashwini Hopsital & amp; Fertility Centre , Moondrumavadi K.Pudur Madurai -07, Low Cost IVF & amp; ICSI Centre, Normal Vaginal Delivery (Rs.35000/- including medicines) LSCS RS.50000/- (Including medicines)