Main source of prolactin in amniotic fluid is :: (A) Decidua, (B) Synctiotrophoblast, (C) Cytotrophoblast, (D) Yolksac of fetus
Answer is A. Decidua is the main source of prolactin present in amniotic fluid. Decidual prolactin is not confused with human placental lactogen(hpl) which is produced only by the synctiotrophoblast. Ref:Williams Obs - 24 e pg 88.