Pregnant women and chlamydia infection.
D000034:Abortion, Veterinary / Q000382:microbiology*; D000818:Animals; D002690:Chlamydia Infections / Q000635:transmission / Q000662:veterinary*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000209:etiology*; D012756:Sheep; D012757:Sheep Diseases / Q000635:transmission*