Not only are they more likely to be born prematurely and underweight, but there is also a greater risk that they will be stillborn or with a disability.
Infants born prematurely are at increased risk for a gastrointestinal disease called necrotizing enterocolitis (nec), which occurs when the intestine is injured. The cause is unknown.
As I have been writing and talking about space flight for the best part of 20 years, a sudden switch of interest to the depth of the sea doer seem peculiar.