masterd pillow ka use kab se kr na chiye ?meri baby 20 din ki ho gyi hai kya use kr Sakte hai

A. You can use mustard pillow now also there is no problem see here I would like to clear one thing use a pillow or don’t use a pillow doesn’t make a difference it’s just going to be your personal choice if you want to use a pillow you can start using it from now onwards