¿IS IT BAD HAVING SEX WHILE BEING PREGNANT WITH YOUR PARTNER?

well as you can read my question on the top i would like to know if its bad having sex while being pregnant? how many of you had done it? does it feel different?? im asking because my husband been wanting but im afraid something bad can happen while being pregnant...im 4 months pregnant and for my first pregnancy with our first son we never had sex and now he would like to try and have sex with our second pregnancy while being pregnant???... we would like to know if its ok or not specially me???? hope any of you people from glow see's this and for you guys to tells me if its ok or not.