For those who want to be pregnant, tracking ovulation in the menstrual cycle to pin down that elusive “fertile window” can be ...

If you're trying to get pregnant (or trying not to), it's key to know when you're ovulating. That's because having sex just before and during ovulation—overlapping with your six-day "fertile ...

The cervix changes in early pregnancy and throughout the menstrual cycle. Here's how to check your cervix for pregnancy.

As a practicing physician-scientist, Dr. Grifo has extensive experience in the treatment of couples with infertility. Since August 1995, Dr. Grifo has been the director of the division of reproductive ...

Most women have been ovulating since middle school—but how many of us can actually explain what’s going on? We’re familiar with our periods, of course. But ovulation is often a more mysterious phase ...

The content and development of this article has had scientific input and editorial review from Merck Serono Ltd and Fertility Network UK. This article is sponsored by Merck Serono Ltd. When you’re ...

Ovulation lasts 12 to 24 hours, during which an egg can be fertilized. The fertile window is six days long, including the day of ovulation and the five days before it. Understanding your cycle can ...