Title: The onset of labor
Subjects: Animal models, Congresses, Drug effects, Endocrine aspects of Labor (Obstetrics), Fetal membranes, Labor, Labor (Obstetrics), Maternal-fetal exchange, Physiology, Placenta, Regulation, Uterine Contraction, Extraembryonic Membranes, Obstetric Labor, Endocrine aspects, Labor Onset