Is it considered allowed if pre-cum enters the mouth during oral sex?

Sexual
Is it considered allowed if pre-cum enters the mouth during oral sex?
Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 1 year ago

Bismihi ta'āla

In shar'i terminology, the fluid that excretes from sexual arousal is called madhi, and it is tahir. Only semen is considered najis. 

And Allah knows best