Modification of the direction of uterine contractions by intra-uterine devices in the ewe.
D000818:Animals; D002584:Cervix Uteri; D004971:Estrus; D005187:Fallopian Tubes; D005260:Female; D005306:Fertilization; D007434:Intrauterine Devices; D008297:Male; D009040:Motion Pictures; D009119:Muscle Contraction; D011247:Pregnancy; D012756:Sheep; D013094:Spermatozoa / Q000502:physiology; D014599:Uterus / Q000502:physiology*