Congenital
Congenital refers to a condition existing at or before birth regardless of cause. Of these disorders, those characterized by structural deformities are termed "congenital anomalies" and involve defects in a developing fetus
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Contraction
A contraction, also known as a uterine contraction, is a muscle contraction of the uterine smooth muscle. It refers specifically to the motion of the uterus as part of the process of childbirth. Contractions, and labor in general, is one condition that releases the hormone oxytocin into the body. Contractions become longer as labor intensifies.