Please get this book The Great Sex Rescue https://www.amazon.com/dp/1540901467/ref=cm_sw_r_cp_api_glt_fabc_BW839QA8A43A4X3FN2N0 I'm begging you.
https://www.webmd.com/women/guide/vaginismus-causes-symptoms-treatments. This can be caused by religious trauma from purity culture. You need to get this book The Great Sex Rescue https://www.amazon.com/dp/1540901467/ref=cm_sw_r_cp_api_glt_fabc_BW839QA8A43A4X3FN2N0 and see a doctor and therapist who specialize in it.
Please, please get help for this.