Pathophysiology of pregnancy
All maternal organ systems undergo physiologic changes during pregnancy; the majority of these changes go away after delivery. In comparison to single pregnancies, the alterations are generally more drastic in multifetal pregnancies.
Missing a period is the first indication of pregnancy and the main cause for most expectant people to visit a doctor. A menstruation that is more than a week late in sexually active, fertile-age women who also have regular periods is presumed to be a sign of pregnancy.
- Track 1-1 Cardiovascular
- Track 2-2 Urinary
- Track 3-3 Respiratory
- Track 4-4 Gastrointestinal (GI) and hepatobiliary
- Track 5-5 Endocrine
- Track 6-6 Dermatologic