1st trimester sex

I’m about6weeks and just had sex with my husband. We were both so nervous! Dr said there could be spotting afterwards. I didn’t allow him to finish in me and I didn’t allow myself to finish. I’m terrified that if I finish the contractions of the orgasm will knock the baby out of place and cause miscarriage. I know I’m crazy thinking this but I just can’t calm my nerves and now I feel a little guilty for having sex! Like what if it hurt the baby...I feel so selfish for doing it.

When did you and your SO first have sex after you found out you were pregnant? Did you have any spotting? If you finished did that give you increase in cramps or spotting?