"Then why are they getting pregnant and having children?" Because human being often desire to reproduce. "At least for the time they are pregnant and giving I

"Then why are they getting pregnant and having children?" Because human being often desire to reproduce. "At least for the time they are pregnant and giving I will consider them to be women." Regardless of what you consider, trans men consider themselves men. Their circumstances and medical needs aren't the same since they typically take testosterone and look like average men. Another reason I don't think your wording works is that the majority consider the concepts of "man" and "woman" to be permanent things.