I'm on birth control my first month i missed alot of my pills my second month i took my first 2 pills and on the night of my second pill i had unprotected sex. Days later i spotted then i came on my period it lasted for about 3 days my blood was kinda brown and when i wiped it was pink.After i went off i was still cramping then i started to spot again and it was a dark brown and when i wiped it was pink