ممکن است بالاخره بدانیم چه چیزی باعث شروع انقباضات عضلانی در زایمان می شود

We may finally know what kick-starts muscle contractions in childbirth

An influx of immune cells into the uterus may be what initiates childbirth. These grab on to muscle cells via tiny tubes and send across mitochondria to provide energy for contractions