God said she would go on and have a son, not that He would produce one for her, hence no suspension of nature or common sense.
Vegetative, hermaphrodite, natural in nature but not man.
I do not see the point of God producing a son from a female without a male father. It proves what?
It is only because the new testament is so emphatic about this, which is a lie from Isaiah, that semi-muslims want to understand the Qur'an this way! What for?