Clinical value of fetal fibronectin in the cervical secretions in predicting the threatened premature labor 胎儿纤维连接蛋白对先兆早产孕妇发生早产的预测价值
2.
The obstetrics and gynaecology study found standing for long periods and lifting heavy weights did not increase the risk of premature labor 这篇妇产科研究发现,长时间站立和搬抬重物都不会增加早产的风险。