驗證網址www.csh.org.tw安全性

Dr.Tseng曾志仁醫師 - 中山醫學大學附設醫院

First Stage The first phase of the first stage of labor is called the latent phase, when contractions are becoming more frequent (usually 5 to 20 minutes apart) and somewhat stronger. However, discomfort is minimal. The cervix dilates (opens approximately...

網址安全性掃描由 google 提供