Cudmore D W
Prim Care. 1975 Jun;2(2):343-9.
Most factors which place the mother or fetus at risk are present at the time of the initial prenatal visit or develop during the pregnancy and before admission to the hospital. As many as 40 per cent of all high risk patients may be detected at the initial prenatal visit.
大多数使母亲或胎儿面临风险的因素在首次产前检查时就已存在，或在孕期及入院前出现。所有高危患者中，多达40%可能在首次产前检查时被发现。
