plasma oestradiol ( e2 ) , oestriol ( e3 ) , progesterone ( p ) , human chorionic gonadotrophin ( hcg ) and human placental lactogen ( hpl ) levels , karyopyknotic index ( kpi ) and cervical mucus pattern were studied serially throughout pregnancy in 17 normal women .
C0014912
oestradiol
C0032961
pregnancy