Cloves are a fairly common spice often used in baked goods and desserts. While you're smart to use caution when building your pregnancy diet, cloves in spice form are safe during pregnancy, according to MedlinePlus. Clove oil and clove supplements aren't, however.

Human chorionic gonadotropin, or hCG, is a hormone medication often administered as an intramuscular injection. Women undergoing fertility treatment often self-administer hCG injections at home or have someone else give them an injection to trigger ovulation or egg maturation.

Endometriosis is a chronic inflammatory disease in which the cells forming the inner lining of uterus are deposited in other areas, such as the fallopian tubes, the ovaries, the pelvis or the back of the uterus. This displacement can cause anatomical distortions and severe pain.

You've delivered your baby and are ready to get your belly button back to your pre-pregnancy form. During pregnancy, your stomach has gained weight, and your belly button may protrude outward.

The kidneys start to grow during the first month of fetal development. These organs produce urine and maintain normal levels of electrolytes and fluids in the body. Kidney problems that occur during fetal development could lead to complications after birth.

Lung development in a fetus starts during the embryonic phase, at around four weeks of gestational age. Very early in development, what will eventually be a baby is nothing more than a cell ball, where none of the cells are yet specialized.

Abdominal discomfort occurs commonly in pregnancy. The growing uterus, an active fetus and shifted intestines can all contribute to abdominal discomfort. But pain in the upper abdomen can be caused by problems beyond the usual pregnancy aches and pains, though less serious concerns can also be to blame.

Implantation bleeding is one of the earliest pregnancy symptoms. Approximately six to 12 days after conception, an embryo implants itself into the female’s uterine wall, according to the American Pregnancy Association.

You should aim to be back at your prepregnancy weight six months after delivering your baby, states the MedlinePlus website. Your recovery from a C-section takes longer than from a vaginal birth, so don’t immediately rush into a weight-loss program.

Although plants and herbs might seem natural and safe, they can have potent effects. Trigonella foenum-graecum L.Leguminosae -- better known as fenugreek, a plant whose seeds and leaves have a long history of use in alternative medicine, could have several potentially serious effects on your unborn baby.

Finding natural ways to get labor moving becomes appealing as your due date nears or passes. Exercises that may start labor are only effective if your body is ready to begin the process. Specific studies that support the efficacy of exercises to induce labor are limited.

Many women wonder, when faced with the thought of conceiving or the possibility of pregnancy, whether they can continue to drink alcohol.