Nausea and vomiting of pregnancy: an obstetric syndrome.

摘要: Although the cause of nausea and vomiting pregnancy is not known, there strong evidence linking human chorionic gonadoptropin or estrogens. Evidence presented to show that incidence severity linked temporal pathologic alterations in these hormones during pregnancy. The way which pregnant woman responds primary stimulus appears depend on her susceptibility mediated by vestibular, gastrointestinal, olfactory, behavioral pathways. Conceiving as a syndrome suggests new pathways investigation possible therapies.