厌食症 发表于 2025-3-28 16:01:34
Vomiting and heartburn,threshold to stimulation. Excitation of the vomiting centre may result from direct visceral impulses or be secondary to stimulation of the chemoreceptor trigger zone. In early pregnancy both oestrogen and human chorionic gonadotrophin have been suspected as aetiological factors. When morning sicknes胆小懦夫 发表于 2025-3-28 19:47:41
Hypertension and eclampsia, 20 (or 24) weeks of pregnancy, or ’pre-eclampsia’, which may be defined as pregnancy-induced hypertension coming on late in pregnancy, whether or not accompanied by albuminuria or oedema. The term essential hypertension then includes hypertension whose onset precedes pregnancy, hypertension appeari沙草纸 发表于 2025-3-29 00:21:52
Preterm labour,ipal cause of a quarter of perinatal deaths; it is an associated factor in another quarter. Before 30 weeks maturity the newborn is at high risk, major factors being the high incidence of intraventricular haemorrhage (Fig. 8.1) and of respiratory distress syndrome (hyaline membrane disease), thoughperpetual 发表于 2025-3-29 03:16:20
Stimulating uterine activity,ion, or to deal with a missed abortion. The manoeuvres employed are surgical in nature and the only drug required to act on the uterus is ergometrine, to secure haemostasis and perhaps to assist expulsion of debris from the uterine cavity. An alternative agent is methylergometrine.希望 发表于 2025-3-29 10:19:15
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