title: Is the Rise in Twin Births Cresting?
authors.forename: Katie
authors.initials: K
authors.lastname: Peek
mesh_terms: D004624:Embryo Transfer / Q000379:methods; D005260:Female; D006291:Health Policy; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D059285:Pregnancy, Twin / Q000706:statistics & numerical data*; D027724:Reproductive Techniques, Assisted