Period date - 14 dec unprotected sex but did not ejaculated within her-23rd dec morning took i-pill 24 dec at night (40 hrs before) got withdrawal bleeding with heavy flow on 30th dec next period date 14 jan but period did not came 1st pregnancy test on 23rd jan which was negative 2nd pregnancy test on 26 which was also negative 3rd pregnancy test 30 jan negative Should i wait more or go for beta hcg test for confirmation?