Predicting ovulation is crucial to know when you're most likely to become pregnant. Here's the most accurate way to test for ...

14th day after the start of the period. In such a situation, the time from the 10th day to the 17th day is called the fertile window. During this time, the chances of pregnancy are the highest ...

Boost fertility naturally with lifestyle changes. Learn how diet, sleep, stress, and exercise can improve your chances of conception.

On the other hand, sperm can survive in the female reproductive tract for up to 72 hours. This means that having intercourse every day or every alternate day during your fertile window is sufficient.

A woman's "fertile window" - six days during her menstrual cycle when intercourse can result in pregnancy - is strikingly unpredictable in any given cycle, according to a study in this week's BMJ.

More than 70 percent of normal women were in their fertile window before day 10 or after day 17, leaving few universal "safe" days for such natural birth control systems as the "rhythm method." ...