Would I still apt to spot a week after plan B or would this more likely be implantation bleeding? I have no symptoms other than slight breast tenderness which is common for me with any hormonal change. This morning, a week later, I had extremely light, brown-tinged spotting (just enough to wipe on a piece of toilet paper).Plan B is extremely effective to prevent pregnancy, especially when taken that early. If you took plan b within 24 hours after unprotected sex, it is very unlikely you could be pregnant.'Plan B' will cause light bleeding or spotting (if NOT pregnant) two or three days after taking Plan B, similar to that of implantation. Obstetrics and Gynecology 54 years experience. It definitely doesnt seem to be implantation bleeding as that is mild spotting. As what you experienced from Nov 10 till Nov 14th seems to be period which may have come early due to the Plan B pill. It would have helped to know your expected date of period. Hello there, Thank you for the question.Main вђвђвђвђвђ Spotting Before Bfp Spotting Before Bfp.anyone know why this bleeding is happening.? im not sure if it's my period but if it is it's two weeks early. a week later i had intercourse again but this time i didnt take plan b. i had intercourse a couple of days after i ended my period, which was about a week and a half ago and took plan b. the same exact thing is happening to me right now.It's often described as light bleeding that never turns into a flow or enough to need a tampon. Implantation bleeding is usually much less than your usual period.'These side effects are due to the high-dose progesterone acting on the lining of the uterus at.

Taking Plan B can cause your period to be lighter or heavier, or arrive earlier or come late.

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