Jami` at-Tirmidhi 135
جامع الترمذي#135SahihAbu Hurairah narrated that :the Prophet said: "Whoever engages in sexual intercourse with a menstruating woman, or a woman in her anus, consults a soothsayer, then he has disbelieved in what was revealed to Muhammad
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 1:135