Spotting after sex?

Cassie • Married to my high school sweetheart💏 🎀Avianna Estella 7/31/18🎀 💙Levi Antonio 02/26/20💙 God is good🙌🏼

So I’m 17 weeks and me and my hubby had pretty normal sex nothing crazy. But I went to the bathroom and noticed some spotting. Should I be worried? I also checked with my heart monitor and baby’s hr was at 147 which was good.