According to WebMD, it is possible for a woman to get pregnant while on her period. However, experts conclude that it is not very likely for this to happen. For a woman to get pregnant on her period, she would have to ha... More » explains that while it is rare for a woman to become pregnant right before her period, it is possible. Sometimes a woman who is pregnant experiences vaginal bleeding that, while not technically a menstrual... More »

According to the American Pregnancy Association, a woman who is pregnant sometimes experiences light or irregular bleeding, but it is not actually her period. This bleeding is not as substantial as the bleeding that occu... More »

A woman's period can arrive late because of excessive stress, hormonal imbalances, severely decreased body fat or the use of birth control, according to Zahra Barnes for Women's Health. Premature ovarian failure, polycys... More »

When pregnancy symptoms begin can vary depending on the woman, but many women begin experiencing symptoms right around the time of her missed period. This is generally four or so weeks after conception. More »

If a woman thinks that she could be pregnant, the general consensus is to take a pregnancy test about a week after her missed period. Any earlier than that could result in a false negative. More »

A woman cannot get pregnant two days before her period. If she is trying to get pregnant, WebMD advises adjusting efforts to suit individual ovulation cycles. More »