noun
hypotonic contractions; uterine inertia; weak labor
Medical term for labor contractions that are too weak or infrequent to effectively dilate the cervix and progress delivery.
微弱陣痛のため、陣痛促進剤が投与された。
Because of hypotonic contractions, labor-inducing medication was administered.
微弱陣痛が続くと、分娩が長引くことがある。
If weak contractions persist, delivery may be prolonged.