questions

Ok ladies, this is my first baby. hopefully I'm not gonna sound stupid by asking this. I am 30 weeks and 1 day. my husband and I had sex today and it's been almost 2 weeks since the last time we had sex. afterwards, when I went to the bathroom, it was a little pinkish when I wiped. should I be alarmed and call the doc or is everything ok? I can feel my little girl still moving around and being active like normal. just wanting to make sure everything is ok.