AO has various meanings in the Medical category. Discover the full forms, definitions, and usage contexts of AO in Medical.
Anovulation is the lack or absence of ovulation (the release of an egg). It is a common cause of infertility. Anovulation is often the result of an imbalance of the hormones that cause a woman to ovulate and may be part of the condition polycystic ovary syndrome (PCOS).
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