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Propranolol may cause harmful effects for the baby if taken during pregnancy; [7] however, its use during breastfeeding is generally considered to be safe. [8] It is a non-selective beta blocker which works by blocking β-adrenergic receptors. [2] Propranolol was patented in 1962 and approved for medical use in 1964. [9]
Heartburn is a common symptom of late term pregnancy during which up to 80% of pregnant women have experienced it by the end of their third trimester. [12] Heartburn often indicates the development of gastro-esophageal reflux disease (GERD), where the lower esophageal sphincter relaxes due to elevated progesterone levels causing increased ...
First-pass metabolism may occur in the liver (for propranolol, lidocaine, clomethiazole, and nitroglycerin) or in the gut (for benzylpenicillin and insulin). [4] The four primary systems that affect the first pass effect of a drug are the enzymes of the gastrointestinal lumen, [5] gastrointestinal wall enzymes, [6] [7] [8] bacterial enzymes [5] and hepatic enzymes.
This sometimes happens in pregnancy due to relaxation of the lower esophageal sphincter (LES), which normally keeps acidic stomach contents in the stomach. Additionally, heartburn is worsened when the growing fetus increases intra-abdominal pressure, thereby compressing the stomach and pushing stomach contents through the relaxed lower ...
This is a list of mnemonics used in medicine and medical science, categorized and alphabetized. A mnemonic is any technique that assists the human memory with information retention or retrieval by making abstract or impersonal information more accessible and meaningful, and therefore easier to remember; many of them are acronyms or initialisms which reduce a lengthy set of terms to a single ...
The step lengthens as the pregnancy progresses, due to weight gain and changes in posture. On average, a woman's foot can grow by a half size or more during pregnancy. In addition, the increased body weight of pregnancy, fluid retention, and weight gain lowers the arches of the foot, further adding to the foot's length and width.
During pregnancy, the production of prolactin by the mother increases steadily, starting at 6–8 weeks of gestation and continuing until the end of the pregnancy. [32] Prolactin levels in the human fetal circulation see a gradual increase from around 30 weeks of gestation until birth. [ 32 ]
However, as the end of a pregnancy approaches, Braxton Hicks contractions tend to become more frequent and more intense. [ 1 ] On a physical exam, some uterine muscle tightening may be palpable, but there should be no palpable contraction in the uterine fundus and no cervical changes or cervical dilation. [ 1 ]