Deanesly, R Retarded embryonic development and pregnancy termination in ovariectomized guinea-pigs: progesterone deficiency and decidual collapse. [electronic resource] - Journal of reproduction and fertility Feb 1972 - 241-7 p. digital Publication Type: Journal Article ISSN: 0022-4251 Standard No.: 10.1530/jrf.0.0280241 doi Subjects--Topical Terms: Abortion, Spontaneous--etiologyAnimalsCastrationDecidua--pathologyEstrusFemaleFetal Diseases--etiologyGuinea PigsNorgestrel--pharmacologyOvary--physiologyPregnancyProgesterone--pharmacology