 Uuryaalka waa muruq go ku dhaca haweenka umusha taasoo ay ugu wacan tahay ilmagaleenka oo isku soo uruuraya foosha ka-dib si uu ugu soo noqdo sidiisii dabiiciga ahayd, waxaana afka qalaad lagu dhahaa uterine involution ama uterine regression. 