Aerobic and anaerobic respiration are types of cellular respiration, the process by which living cells use up the free electrons produced during normal cellular metabolism to produce ATP, or adenosine triphosphate, the chemical compound used by cells for energy.

Prenatal vitamins are a great way to give your baby a jump start on the road to good health. They can help you feel better and stay healthy, too.

Getting pregnant is more challenging for women at 40 than it is for their younger counterparts. This is because around the age of 32, according to the Mayo Clinic, a woman’s fertility begins to decline.

Morning sickness is characterized by nausea that occurs during pregnancy. For men, morning sickness can be a symptom of Couvade Syndrome, which sometimes occurs in the husbands of pregnant women.

Active labor -- when your cervix has started to dilate -- is very difficult to stop. But if you're in preterm labor, having contractions more than three weeks before your due date, your doctor might prescribe tocolytic medications to slow or stop the process.

Breast tenderness is one of the most common early symptoms of pregnancy. How long it lasts varies from woman to woman. In general, breast tenderness is common during both the first and last trimesters of pregnancy, due to the physical (and hormonal) changes the body is going through during those times.

Sodium bicarbonate is the chemical name for baking soda, which has the formula NaHCO3. If you're pregnant, you may be wondering whether it's safe to use sodium bicarbonate in foods and in other household applications, particularly because many chemicals that are otherwise safe can be toxic to an unborn child.

A miscarriage that occurs at nine weeks is often likened to a regular menstrual period; however, unlike a menstrual period, a miscarriage is a medical emergency that should be treated as such with a call to your doctor and/or a trip to the hospital.

Morning nausea will present itself upon awakening, or it will wake you out of your sleep with a feeling of uneasiness in your stomach. Sometimes nausea will bring about vomiting, but this is not always the case. There are many health conditions that show morning nausea as one of their symptoms.

Asphyxiation occurs when the body is deprived of oxygen. One common cause of asphyxia is choking, although other medical and environmental conditions, such as complications during general anesthesia or smoke inhalation, are also possible causes.

Pregnancy equals change, physically, emotionally and in the lifestyle of a woman. She is no longer thinking and acting on her own behalf, but is caring for and nourishing her child as well. Old habits may need to be broken or altered to benefit the baby, including medications taken, alcohol consumed and diet choices.

Groin strains can refer to a number of types of injuries in one or more of a multitude of muscles on the inside of your upper leg or front of your hip. Sports Injury Bulletin explains that many of these muscles are responsible for hip adduction--moving your leg toward your body's center line.