If you're trying to become pregnant without success, you're not alone. An estimated 11% of women and 9% of men in the United ...

A girl is born with all the eggs she will ever have. Male: While women are only fertile during a few days in their menstrual cycles, men are constantly fertile from the onset of puberty (usually ...

This could be egg-cellent news for women struggling with infertility ... In IVF, eggs are collected from a female patient and fertilized with sperm in a laboratory to create embryos that are ...

At a later date, when the woman wants to conceive, the oocytes can then be warmed and fertilized using a partner’s or donor’s sperm. Oocytes maintain viability even after decades in cryostorage, if ...

An ectopic pregnancy happens when a fertilized egg implants, or attaches ... Methotrexate is used for women who are "not internally bleeding, have no history of kidney, liver, active lung disease ...