Again, this is simply an old wives tale and has no scientific backing.

An older woman's eggs aren't fertilized as easily as a younger woman's eggs — and might not develop normally even after fertilization occurs.

An over-the-counter ovulation prediction kit — a test that you can perform at home — detects the surge in luteinizing hormone (LH) that occurs before ovulation.

Hyperprolactinemia causes infertility in around 11% of oligospermic males. Hyperprolactinemia also directly influences spermatogenesis and steroidogenesis by acting on prolactin receptors present in Sertoli cells and Leydig cells in testes, and produces primary hypogonadism and infertility.

To increase effectiveness during these months and every time you have a new partner, you should check the position of your cap before and after intercourse to make sure that it stays in place.

Emergency contraception prevents pregnancy after sex, which is why it is sometimes called 'the morning after pill', 'the day after pill', or 'morning after contraception'.