Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Robert Kelly is managing director of XTS Energy LLC ...

Carbachol-evoked contractions of descending colon strips from patients with CC (A, B). Dose-response effects of carbachol on the amplitude of contraction of circular (Aa) and longitudinal (Ba) muscle ...

Contractions are when the muscles of your uterus tighten and relax to get ready for childbirth. These muscles help push your baby down the birth canal. Once you reach week 37 of your pregnancy, it ...

Labor contractions are the physical way your uterus tightens to promote delivery of your baby. All body muscles tighten and shorten (contract) when they’re being used. And the uterus is one of the ...