primigravid
英
美
adj. 初孕的；初次妊娠的
双语例句
- Methods 120 primigravid pregnant women undergoing vaginal delivery between Oct. 2000 and Oct. 2001 were divided into two groups: the laughing gas group and the control group, and the analgesic outcomes of the two groups were compared.
方法将2000年10月至2001年10月拟阴道分娩的初产妇120例随机分为两组，即观察组（笑气组）和对照组，比较两组分娩的镇痛效果和产程进展。