I am 18 year girl. I had sex after 1 week of menstruation period. I have taken contraceptive pills after sex. 1 week after sex I got much bleeding up to 2/3 days, but on my menstruation period time I am not menstruating. What is it? Am I pregnant or not?

It is very likely, you are not. But it is not possible to know 100 percent at this time.

One of the common side effects ( as I know you must be aware from reading the warnings) is that it may cause you to miss a period for one or two months and can alter your period.

So, in about 2 week, try a pregnancy test. If you miss your next period, time to see the doctor