I had unprotected sex with my boyfriend on the 17th of march 2015 and he ejaculated in me so today march 20th 2015 a red and brownish discharge comes?

Here are some ...: In the described clinical setting, one needs to consider if having BV, which requires active Rx, & if contracting STDs, which needs timely testing, treated as needed (including both), & counseled for safer sex than the present. If concerning pregnancy, do HPT in a wk after missing period and repeat it in a wk if the first test is (-) and still in doubt. More? Seek pro-evaluation and counseling...