All of the following drugs are effective for cervical ripening during pregnancy except:: (A) Prostaglandin E2, (B) Oxytocin, (C) Progesterone, (D) Misoprostol
Answer is C. Progesterone is pregnancy protective agent and is given for maintenance of pregnancy and is even used as a tocolytic in preterm labour. Protaglandin E1 is misoprostol, E2 is Dinoprostone along with oxytocin are regularly used for cervical ripening for inducing labor or even for inducing aboions.