<prompt> Which prostaglandin helps in cervical ripening?PGI2PGF2PGE2PGD2  <response>: Dinoprostone - PGE2. Orally - to augmenting labor to check PPH. Vaginally- softens the cervix before labor induction. Preferred over oxytocin for labor induction in pre-eclampsia, eclampsia, cardiac renal disease. ESSENTIALS OF MEDICAL PHARMACOLOGY;7TH EDITION;KD TRIPATHI;PAGE NO 189 