Can you hear a baby cry in the womb?
Do babies in the womb poop?
Can a baby drown in the womb?
Do babies drink pee in the womb?
They can start drinking this mix of pee and amniotic fluid around week 10 or 11, or when a layer of cells blocking their mouths — called the buccopharyngeal membrane — ruptures, allowing the baby to swallow. By week 20 most of the amniotic fluid is urine.