Abu Dawud said: On this subject there is no tradition which has perfect chain and is sound.
In-book : Book 43, Hadith 321
English translation : Book 42, Hadith 5074
43. General Behavior (Kitab Al-Adab)
باب مَنْ رَوَى أَنَّ الْحَيْضَةَ إِذَا أَدْبَرَتْ لاَ تَدَعُ الصَّلاَةَ