Hell I'm sure the minute the first baby's out she's gonna love it so much she's gonna want more
and she'll ask the doctor how long it takes for the apparatus to reset. Probably get disappointed by the recommended 1-2 year waiting period
then one day when Marco Jr is getting good at walking, she just jumps Marco's bones and murmurs "baby" at him
post-coitus she's all 'mm.. more babies..'