Food which is very pungent in taste, for example garlic, does have the ability to cross through the amniotic fluid.

Studies have found a relationship between women who have obstructive sleep apnoea and smaller babies. The reason for this lies in the fact that sleep apnoea causes an obstruction of oxygen, which in turn means less oxygen reaches the baby. Though women who snore should not panic, as further research is needed to give more credence to this case of causation.

Leaving a baby in a wet or soiled diaper may lead to a condition called diaper rash. Diaper rash is a red, tender looking area on your baby’s bottom or genitals. This may cause your baby to be fussier then normal, particularly when the area is washing or touched. It may also become infected if not treated properly.

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.

Birth control shot releases a hormone — progestin — into the body. Progestin works by keeping eggs from leaving the ovaries. Pregnancy cannot happen if there is no egg to join the sperm.

The pill have been the most commonly used method since 1982.