here is part of the article that CharlieP so kindly posted..
Most women find that vaginal discharge increases when they are pregnant - this is quite normal and happens for a few reasons. During pregnancy the cervix (neck of the womb) and vaginal walls get softer and discharge increases to help prevent any infections travelling up from the vagina to the womb.
Hey everyone. Just joined. I' m 6 weeks pregnannt. Today I experienced some clear watery discharge and got quite worried. I know discharge is normal but it worried me cause it was quite a lot. Shoud I call the doctor?
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