Most miscarriages will pass naturally, meaning that the foetal tissue will pass from the body without any medical intervention. Some women will either voluntarily decide upon or be complied through necessity to have a D & C, which is a minor surgical procedure that removes tissue from the uterus or take medication that triggers contractions, which will hasten the miscarriage along.

The umbilicus is the small piece of cord left after it has been cut following birth. After several days it will fall off. Keep the area clean and dry, and watch for signs of infection such as pus or redness.

The amount of blood in your body will rise dramatically during pregnancy. By the time you give birth, you'll have about 50 percent more blood circulating than usual.

Since your body temperature rises after you release an egg (ovulation), if you chart your temperature, it can tell you when you’re most fertile.

Hypothalamic amenorrhea occurs when the hypothalamus, a gland in the brain that regulates body processes, slows or stops releasing gonadotropin-releasing hormone (GnRH), the hormone that starts the menstrual cycle.

You can use emergency contraception right away - or up to five days after sex - if you think your birth control failed, you didn't use contraception, or you were made to have sex against your will.