Took Plan B. Having Bleeding After Sex. Guide?
Thanks for the query.
Emergency pill can alter the menstruation depending on the period of the menstrual cycle you took the pill.
If you took the pills in the first half of the cycle it might have preponed your periods.
Repeated usage of pill can affect the growth of the endometrial layer of the uterus and can lead to more frequent cycles.
For more details: http://srsree.blogspot.in/2012/08/emergency-contraceptive-pill-short-term.html
As you started vyance just two days before that may not be a cause for your bleeding.
So you once consult gynecologist and take tablets to control the bleeding.
After that observe the next cycle. If the periods become regular no need to worry.
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Take care.