Value of urinary estriol studies in assessing pregnancy.
D004964:Estriol / Q000652:urine*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*
D004964:Estriol