i would say yes, you need something stronger that the med they sell at drugstore. Some of us use meds that they give to animals you can buy at feedstore. But i dont think u can do that while u are pregnant? You can tie a string to a garlic and put it up there, als use tea tree oil mixed with olive oil on a pad......asap But keep reading.. Read slowsmile....(a users name) she is good, search for her and put in search vaginal pinworms. Long journey, u will be busy, and be cleaning constantley...................................Do they treat the whole family when kids have them