Pregnant

Pregnancy is a period in a woman's life when she carries a developing offspring, known as an embryo or fetus, in her uterus. This condition usually lasts about 40 weeks, or slightly over 9 months, as measured from the last menstrual period to delivery. Pregnancy is divided into three trimesters, each lasting about three months.

Signs and symptoms

The initial signs of pregnancy usually include missed periods, nausea, increased urination, and fatigue. Other symptoms may include tender breasts, increased appetite, and changes in taste. Pregnancy tests can confirm a pregnancy by detecting the presence of human chorionic gonadotropin (hCG).

Diagnosis

Pregnancy can be diagnosed using pregnancy tests that detect hCG, a hormone released by the placenta. These tests can be performed around the time of the missed menstrual period. Ultrasound imaging can also be used to confirm the presence of a developing fetus.

Physiology

During pregnancy, the woman's body undergoes many physiological changes, including cardiovascular, hematologic, metabolic, renal, and respiratory changes, to support the developing fetus and prepare the body for childbirth.

Complications

Complications of pregnancy may include disorders of high blood pressure, gestational diabetes, iron-deficiency anemia, and severe nausea and vomiting. In the ideal case, pregnancies are managed by a multidisciplinary team that includes an obstetrician, midwife, and doula.

Society and culture

Pregnancy is typically celebrated with baby showers and the taking of maternity photographs. Many countries have laws protecting pregnant women's rights.

See also

• Childbirth
• Obstetrics
• Gynecology
• Midwifery

Pregnant Resources
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