"Men and women used to perform Wudu' together during the time of the Messenger of Allah (ﷺ)."
Sunan an-Nasa'i Book 1, Hadith 71
← Previous Hadith "While I was menstruating, I would nibble meat from a bone, and the Messenger of Allah (ﷺ) would put his mouth where mine had been. And while I was menstruating, I would drink from a vessel and he would put his mouth where mine had been."

Sunan an-Nasa'i Book 1, Hadith 70 Next Hadith → It was narrated from 'Aishah that she used to perform Ghusl with the Messenger of Allah (ﷺ) from a single vessel.

Sunan an-Nasa'i Book 1, Hadith 72