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收集1995年韶关市区内各市级医院的全部产科分娩记录，共计产妇3138名，不良妊娠结局（APO）的发生率为88．27‰，分类结局的发生率以早产和出生低体重较高（分别为60．55‰和27．72‰）；30岁以下孕产妇为高危人群（APO发生率113．38‰）。通过病例对照研究，采用条件Logistic回归模型分析，揭示危险因素的习惯性流产、妊娠期接触农药、妊期贫血、妊娠高血压、先兆流产、好期服药和妊期受强烈精神刺激。可见，孕期及围产期保健是防制APO发生的关键。
Collecting all the maternity birth records of hospitals in municipal districts of Shaoguan City in 1995, a total of 3138 mothers, the incidence of adverse pregnancy outcomes (APO) was 88.27 ‰, the incidence of classification of the outcome of preterm birth and low birth weight were high (60.55 ‰ and 27.72 ‰, respectively); pregnant women under 30 years old were at high risk (APO incidence 113.38 ‰). Through the case-control study, conditional Logistic regression model analysis was conducted to reveal the risk factors of habitual abortion, gestational exposure to pesticides, pregnancy anemia, pregnancy-induced hypertension, threatened abortion, good medication and pregnancy induced by strong mental stimulation. Can be seen that pregnancy and perinatal care is the key to preventing the occurrence of APO.