big big mistake

My plancenta is low on 18 weeks I bleed n I got in bed rest For 1 week no sex so after few weeks my dr say I'm good as new but still not having sex cuz I'm scared we'll last night finally decided to stimulate my clit but guess what next day I got red spot.. my dr say just relax my baby boy move a lot this moment thank god now it's only been discharged n my dr says it's mean it's going away and have follow up on wed... learn my lesson hard way low placenta no organ what so ever......