I'm 26 weeks pregnant and its really painful to have sex. there's a stretching and burning sensation. what should i do?

Sex when Pregnant: The prenatal book you are reading with this pregnancy very well may have a chapter about sex. But, if this is hurting you there may be a time in this pregnancy where you and your partner have different sexual activities that bring you both to orgasm but do not include vaginal prenetration.

See below: You could change positions, but you may want to discuss this with your ob.