Evening primrose capsules are used by midwives usually, as they contain prostaglandins
. Better methods of softening the cervix exist such as using prostaglandin cervical gels, prostaglandin tablets and oxytocin
drip for priming of the cervix apart from stripping of the membranes. Since you are trying for vaginal delivery
after caesarean, your contractions need to be monitored closely as well as your vital signs
and the fetal well-being. So do not try anything at home. Follow your doctor's instructions. Wish you a safe delivery.