The position and spacing of implantation sites in the uterus of the rat during early pregnancy.
D000818:Animals; D010064:Embryo Implantation; D005260:Female; D005865:Gestational Age; D008297:Male; D051379:Mice; D011247:Pregnancy; D011270:Pregnancy, Animal; D011817:Rabbits; D051381:Rats; D013045:Species Specificity; D013223:Statistics as Topic; D014599:Uterus / Q000502:physiology*