Thestomachshouldnotbetrainedlyingdown,norwithtoomuchofaload,becauseofthebaby'sweightcansqueezethemother'sbloodvesselsinthestomachregion,whichcanbedangerous.

Please segment the words:
The stomach should not be trained lying down, nor with too much of a load, because of the baby's weight can squeeze the mother's blood vessels in the stomach region, which can be dangerous.