What nuts and bolts actual process The Holy Spirit used is not stated. Poor z, doesn't know.
Every other human conception results in the girl no longer being a virgin. Not necessary anymore. Have you heard of artificial insemination? It is possible without artificial insemination for women to conceive without penetration (ie sex)
Mary remained a virgin but now pregnant with Christ. What is more likely? Mary had sex with a bloke or with a (the) Spirit?
Mary then became the mother of Christ but beyond that continued to be a normal everyday person. Fair enough. Some say the mother of God. ............. Vatican teaches that Mary (in her death) has other powers. Being the mother of Christ, I guess, makes her special in the Vatican's and every Christian's eyes. Show us the verses !!!! Come on, believers. it's your turn to help.
