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while sperm can survive for several days inside a woman ' s reproductive tract , an egg can only survive for up to 24 hours after ovulation.

It seems safe to conclude that couples with relatively normal semen parameters should have sex daily for up to a week before ovulation date.

When your mother and I were trying to conceive you, whenever she was ovulating, bam, we did it. That's how I got my bad hip.

So it makes sense for her to limit her risks by being unfaithful only at those times she's fertile.

It may seem hard to believe that men could distinguish a woman who's at peak fertility simply by sitting next to her for a few minutes.

They might be due to increases in estrogen levels, which peak around the time of ovulation.

Hands down, the women found the scent of a symmetrical man to be more attractive and desirable, especially if the woman was menstruating .

In the week after ovulation, luteal development to a peak of up to 1 ~ 3 cm in diameter, covered with a rich inner capillaries.

Overall, women who had ovulatory disorders had a significantly lower incidence of breast cancer than those who did not.