Instead of murdering why don't you just get on the ****** pill. Obviously you don't want a baby. So take measures to not get pregnant.
maybe you should not be sexually active if you dont want a baby... i hope your at least practicing safe sex
Your risks are infection and pregnancy.
its safe to have sex 18 days after ... its suggested no earlier than 7 days ~ but you should wait 14 days ideally ... the reason for this is an increased risk of bacterial infection.
if your worried about that , be sure your partner uses a condom and no fingers or foreign objects unless hey are sterile