After the second trimester, many expectant mothers find that their underwear is often wet. Is this \”urinary leakage\” or \”water breaking\”? Some expectant mothers are really stupid and can’t tell the difference. Here\’s a quick way to tell the two things apart: Look at the color. Amniotic fluid is colorless and transparent, with occasionally a small amount of blood mixed in, giving it a pale pink color. The urine smells of ammonia, but the amniotic fluid has no odor. From urine output