Answered by Mufti Mohammed Tosir Miah
Is yellow secretion considered to be Haidh
Yellow secretion is considered to be one of the colours of Haidh.
It is mentioned in Fatawa Hindiyyah that Haidh can be of six colours: black, red, yellow, murky, green and brown. (Fatawa Hindiyyah p.41 v.1)
Only Allah Knows Best
Mohammed Tosir Miah
Darul Ifta Birmingham