| Summary: | Objective: To identify timing-specified risk factors for stillbirth, in order to help physicians to reduce preventable factors and stillbirths, and improve general outcomes of pregnancy.
Materials and Methods: A retrospective analysis was performed of births registered in our hospital, a medical center in Taiwan, between September 1, 1999 and December 31, 2011. We collected basic characteristics from the medical records, including maternal and fetal conditions. All stillbirths were divided into two groups according to gestational age: the second trimester group and the third trimester group. Comparisons were made between these groups.
Results: There were a total of 12,290 births and 121 stillbirths during our study period. The 121 stillbirths were divided into two groups: 67/121 (55.4%) were in the second trimester group and 54/121 (44.6%) were in the third trimester group. The overall incidence for intrauterine fetal demise was 0.98% (121/12,290). The increased risks in the third trimester stillbirths, as compared with the second trimester group, were significantly associated with males born, increased maternal body mass index (BMI) at delivery, habitual cigarette smoking, previous history of intrauterine fetal demise, and diabetic or hypertensive pregnancies. Unexplained causes (29.85%) were the most common causes of second trimester intrauterine fetal demise and the most common cause of third trimester intrauterine fetal demise was umbilical cord pathology (33.33%).
Conclusion: Management of any pregnant patient remains a challenge. Identifying upstream and cost-effective solutions will improve these pregnancy outcomes.
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