Nausea and vomiting at 39 weeks of pregnancy
Aug 14, 2022
Source: Cainiu Health
Dr. Chen Zhe
Introduction
Nausea and vomiting at 39 weeks of gestation result from hormonal fluctuations and gastrointestinal dysfunction during pregnancy. During pregnancy, progesterone-induced relaxation of the lower esophageal sphincter allows acidic gastric contents to reflux into the lower esophagus, causing heartburn, which in turn triggers nausea and vomiting. At 39 weeks’ gestation, the uterus is markedly enlarged.
Early pregnancy symptoms—such as nausea, vomiting, and indigestion—are commonly caused by hormonal fluctuations during the first trimester. But what about experiencing nausea and vomiting at 39 weeks’ gestation?
Nausea and Vomiting at 39 Weeks’ Gestation
Nausea and vomiting at 39 weeks’ gestation result from hormonal changes and gastrointestinal dysfunction associated with pregnancy. During pregnancy, elevated progesterone levels cause relaxation of the lower esophageal sphincter, allowing acidic gastric contents to reflux into the lower esophagus—leading to heartburn and subsequently triggering nausea and vomiting. By week 39, the uterus has significantly enlarged, displacing the stomach and intestines upward and laterally. This anatomical shift alters the position of digestive organs, impairing normal swallowing and causing food to stagnate in the gastrointestinal tract—further predisposing the woman to nausea and vomiting.
When experiencing nausea or vomiting, pregnant women may find relief by consuming bland foods or taking vitamin B6 supplements, which can help reduce nausea and control vomiting. Additionally, distraction techniques and emotional regulation may alleviate symptoms to some extent. In early pregnancy, digestive manifestations—including nausea, vomiting, aversion to greasy odors or sour foods, and decreased appetite—are common features of morning sickness. Some women may also experience mood disturbances such as depression, irritability, or insomnia. Psychological counseling, cognitive distraction, and emotional adjustment are recommended to safely and smoothly navigate this unique phase. Nutritional supplementation should emphasize fresh vegetables and fruits, tailored to individual taste preferences.
Upon waking in the morning, drinking a glass of warm water or lemon water may help ease nausea. We hope this information is helpful to you.
