title: Effect of the oxytocin challenge test on levels of maternal serum unconjugated serum estriol and estetrol pre- and post-test in high-risk pregnancies.
mesh_terms: D004953:Estetrol / Q000097:blood; D004964:Estriol / Q000097:blood*; D005260:Female; D005316:Fetal Distress / Q000175:diagnosis*; D005865:Gestational Age; D006801:Humans; D008431:Maternal-Fetal Exchange; D010121:Oxytocin; D010925:Placental Function Tests / Q000379:methods; D011247:Pregnancy; D011248:Pregnancy Complications / Q000097:blood*; D011254:Pregnancy in Diabetics; D011863:Radioimmunoassay; D012306:Risk
chemical_list: D010121:Oxytocin; D004953:Estetrol; D004964:Estriol