From the Centers for Disease Control and Prevention. Use of assisted reproductive technology--United States, 1996 and 1998.
D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011256:Pregnancy Outcome; D027724:Reproductive Techniques, Assisted / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology