That is my only concern. For one thing, a baby may benefit from knowing the mother before birth happens. For another thing, a mother bonds to the baby while she is pregnant with her baby. This helps the baby, because the mother is extremely interested in the baby.negative psychological impacts due to some unknown factor unique to humans
The advantages are wonderful though. A man could have a baby, so we wouldn't need any more women. Finally we could send the women away to a distant planet. We could put an end to sexual activity. What a huge step forward for humanity.