I am 18 years old and my gf is 19 , On 27th of april she had her period and till 2nd it was there and this time she was travelling and after That on 11th may we did not have acutual sex only hard fingering so after that day from 13 th of may she started having some brown discharge from her vagina and it stopped after 5 days and now her period date was 29th of may and today is 3rd june till now she hasn't had her periods is she pregnant ?