Pregnant women and chlamydia infection.
D000818:Animals; D002690:Chlamydia Infections / Q000209:etiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000209:etiology*; D012306:Risk; D015047:Zoonoses / Q000209:etiology*