Factors Associated with Intrapartum Cesarean Section in Women Aged 40 Years or Older: a Single-Center Experience in Japan
The Journal of Maternal-Fetal & Neonatal Medicine（2019）
关键词
Advanced maternal age,assisted reproductive technology (ART),intrapartum cesarean section,nulliparous,vacuum extraction
AI 理解论文
溯源树
样例
生成溯源树，研究论文发展脉络
Chat Paper
正在生成论文摘要