Women's cheeks get redder when they are the most fertile, but this color change is so subtle that it is undetectable by the human eye, a new study finds. In the study, researchers in the United ...

If you’re hoping to become pregnant, ovulation prediction kits say they’ll tell you when your body is entering the peak baby-making phase of its monthly cycle. When they’re used properly, they really ...

Many people assume sex after periods is safe Here’s what an expert says about ovulation pregnancy risk and why unprotected ...

Growing up, getting pregnant seemed like an absolute outcome of sex rather than a calculated science based on your fertility window. Yes, of course, you can get pregnant from sex. And when you’re not ...

It's hard to believe that a woman's political preferences could be influenced by where she's at in her cycle (I mean, come on), but new research, obtained exclusively by Vitamin G, finds that when ...

At a certain time of the month, men can smell that women are more attractive. That time is the 12 to 24-hour window when a woman is ovulating, scientists have found. Multiple studies have concluded ...

Women’s voices tend to vary in pitch over the course of their menstrual cycle, and scientists have speculated that this might help them advertise their fertility to men. Turns out, it doesn’t.

At first blush, new research about ovulation cycles makes sense, though in a dark way. It appears that many women, for a week each month, will leap at a chance to boost their status among other women.

Women have more sexual fantasies during fertile periods of the month, a new study finds. The research is one of many studies finding differences in women's sexual interest across the menstrual cycle.

Many nonhuman primates display the fact that they’re ovulating for all the world to see. A female mandrill’s perineum swells, while female chimps and baboons bring red and bulging rear ends into play.

Last year surgeons removed Margaret Lloyd-Hart's second ovary after problems with cysts, but the Arizona ballerina, now 30, wasn't ready to give up on fertility. So doctors froze the tissue. With both ...