Pain during sex

Marlene
Hello i have a question when you girls have sex does it hurt in any way if your not comfortable, even in the stading position ?? An he is big as well an he is rough sometimes during sex an likes to be pounding me.Or is it theirs something wrong with me and need to schedule an appointment. An if theirs any position youll tried that feels pain free,  If anybody has gone through it plz let me know thank I would greatly appreciate it.