Evening primrose oil: This method requires you to take the product orally and vaginally from 38-weeks. It has prostaglandins that softens the cervix.
Sex: Like evening primrose oil, male ejaculations contain high levels of prostaglandins that will soften the cervix.
Three times ejaculations every day after 40 weeks has been found to be the most effective.
Nipple stimulation: At 40 weeks, nipple stimulation has shown to cause contraction of uterus.
Spicy foods: Lots of people cite its success, but there are no research scientific studies that backs up the claim. Take it at your own risk if you’re allergic to spicy foods.
Exercise: This one is the most natural labor inducing method that’s even recommended by doctors. Long walks or stairs climbing will help a deal.