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Adverse Obstetric and Perinatal Outcomes of Patients with History of Recurrent Miscarriage: A Retrospective Study
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  • Jinwen Zhang,
  • LIN Rao,
  • Ruixiang Ma,
  • weibin Wu,
  • cailian chen,
  • Yi Lin,
  • Xiao-Rui Liu
Jinwen Zhang
1. The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China; 2. Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China;
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LIN Rao
The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China;
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Ruixiang Ma
Department of Automation, Shanghai Jiao Tong University, Shanghai 200240, China; 5. Key Laboratory of System Control and Information Processing, Ministry of Education of China, Shanghai 200240, China.
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weibin Wu
The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China; 3. Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China;
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cailian chen
Department of Automation, Shanghai Jiao Tong University, Shanghai 200240, China; Key Laboratory of System Control and Information Processing, Ministry of Education of China, Shanghai 200240, China.
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Yi Lin
The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China;
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Xiao-Rui Liu
International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine

Corresponding Author:[email protected]

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Abstract

Objective: To examine the associations between a history of recurrent miscarriage (RM) and obstetric and perinatal outcomes in the subsequent pregnancy. Design: Retrospective cohort study. Setting: A large tertiary maternity hospital in Shanghai, China. Population: 118,375 deliveries booked for antenatal care and delivery between 01/2014 and 08/2021. Methods: Obstetric and perinatal outcomes were compared among 1,994 women (1.83%) with a history of two or more miscarriages (RM), 11,477 women (10.55%) with a history of one miscarriage, and 95,321 women (87.62%) with no history of miscarriage, respectively. Logistic regression analyses were performed, adjusting for potential confounders. Main Outcome Measures: Obstetric complications included gestational diabetes mellitus, preeclampsia (sub-classified as preterm and term preeclampsia), placenta previa, placenta accrete, foetal distress, and preterm pre-labour rupture of membranes (PPROM). Perinatal outcomes included mal-presentations, induction, post-partum haemorrhage, preterm birth, stillbirth, Apgar score <7, neonatal asphyxia, neonatal sex, and congenital malformation. Results: There was an increased risk of adverse obstetric and perinatal outcomes in a subsequent pregnancy for women with a history of RM, including placental dysfunction disorders [preterm preeclampsia (odds ratio [OR]=1.60; 95% confidence interval [CI]: 1.03-2.50), PPROM (OR=1.39; 95% CI: 1.10-1.75), preterm birth (OR=1.40; 95% CI: 1.19-1.64)], and abnormal placentation (placenta previa [OR=1.79; 95% CI: 1.38-2.34], and placenta accrete [OR=4.25; 95% CI: 2.84-6.37]), after adjusting for relevant confounders. Conclusions: Significant associations existed between RM and adverse obstetric and perinatal outcomes like placental dysfunction disorders and abnormal placentation. Careful surveillance is required in pregnancies following RM, for early detection of possible complications.