Answer:
(c). human chorionic somatomammotropin (CS)
Explanation:
Gestational diabetes represents increased level of blood glucose due to a placental hormone produced by placenta, known as HCS (human chorionic somatomammotropin).
It increases level of maternal blood glucose and decreases mother's sensitivity to insulin. Due to this, level of blood sugar increases in mother and leads to development of gestational diabetes.
Thus, the correct answer is option (c).
