If a woman is bleeding heavily for more than a week, and by heavy it means going through several sanitary pads a day, it’s recommended that medical attention is sought after. Heavy bleeding for such a prolonged period of time can leave women feeling exhausted and drawn, so it’s a good idea to get this problem resolved as quickly as possible.

Studies have found that women who consumed around 200 milligrams of caffeine daily, which is the equivalent of two cups of regular coffee a day, were twice as likely to suffer from a miscarriage. Experts recommend that during the first trimester of pregnancy caffeine should be banned from a woman’s diet, and during the later months the intake should be limited to around a single cup of regular coffee per day.

You should gain weight gradually during your pregnancy, with most of the weight gained in the last trimester.

If you're newly pregnant, it's not uncommon to feel repelled by the smell of a bologna sandwich or a cup of coffee, and for certain aromas to trigger your gag reflex. Though no one knows for sure, this may be a side effect of rapidly increasing amounts of estrogen in your system. Shortly after you become pregnant, hormonal changes prompt a chain of events that raise the rate of blood flow through your kidneys. This causes your bladder to fill more quickly, so you need to pee more often. One of the early signs of pregnancy is sensitive, sore breasts caused by rising levels of hormones.

Pregnancy tests are designed to tell if your urine or blood contains a hormone called human chorionic gonadotropin (hCG). This hormone is produced right after a fertilized egg attaches to the wall of a woman's uterus.

Smoking ages your ovaries and depletes your eggs prematurely.