Originally Answered: taking castor oil laxatives while pregnant?
I was 10 days late with my daughter, so I feel your pain. However, I wouldn't advise drinking castor oil. As you've seen with the other wives tales, they are just that - wives tales. The same is true about castor oil. It works for some women, but those women likely would have gone into labor without it. If it doesn't work for you, you are likely to have only the side effects of castor oil (diarrhea and vomiting). Given that you're likely to naturally go into labor soon, do you want to be exhausted from vomiting and running to the bathroom before labor begins? The bottom line about various things that supposedly help labor along is that if your body is not ready to have the baby, nothing will force it to be. That includes medical inductions. There are many cases when women go in to be induced and have no progress and end up having a c-section.
"Some women and practitioners, doctors and midwives alike, swear by castor oil as a way to induce labor. Other mothers have tried castor oil and have experienced the side effects but remained pregnant. There are practitioners who do not recommend castor oil because of potential side effects like dehydration (from loose stools and/or vomiting), fetal distress and meconium in the baby. Though castor oil inductions take place without the knowledge of the practitioner in some cases, it is always wise to talk to your midwife or doctor about how to use castor oil before doing so.
Induction before your due date is never a good idea in the absence of a medical reason. Even then, a castor oil induction, may not be your best option. It may not work."