help worse sex😭😭😭

So my husband and i had sex but i felt a burn feeling ok so this month i had a two day oeriod thing i had like pinkish mucus discharge i think a period 🤔 but then i took a few pregnancy test all negative and today after two weeks sbof us not having any intercorse we finally do it and my vigina huts like burning feeling i was fon all day i whent to oee and i was fine it was just when he whent inside thag burn then i whent to shower i though maybe the sweat 💦 but noo we tried it again and that same bur  feeling i felt bad to stop hom because he really wanted it so i acted like if i was ok so he came inside bit my vigina burns  what could it be any 💭 🙏🏼🙏🏼🙏🏼🙏🏼🙏🏼