Dramatic License

Actually, an even sillier part of those episodes was that none of the female augments was obviously pregnant, nor were there any young children. Especially for their situation, and with killing each other so often, they should have been making replacements rather quickly. Unfortunately it was prime-time network TV.

Hey it a family show not the Disc so no sex and despite that ENT got into trouble because of the decon chamber scenes that were too much back then ,although that was prior to Rome and Game Of Thrones