Need of luteinizing hormone for maintaining early pregnancy.
D000818:Animals; D010064:Embryo Implantation / Q000187:drug effects*; D004958:Estradiol / Q000494:pharmacology; D005260:Female; D007106:Immune Sera / Q000494:pharmacology*; D007986:Luteinizing Hormone / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000494:pharmacology; D051381:Rats / Q000502:physiology*; D013997:Time Factors
D007106:Immune Sera; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone