In a pregnancy ultrasound, the crown rump length can help calculate gestational age and can tell a lot about the baby's health. In a pregnancy ultrasound, the crown rump length can help calculate gestational age and can tell a lot about the baby's health. Menu Crown Rump Length (CRL) From the Ultrasound
1 Raw Red Meat(Beef): Refreezeable if itâs still very cold even without ice crystal, but it needs to be below 40F the whole time and have only been fully thawed for a day or two. If itâs gone above 40F toss it.  Raw Poultry or Chicken, Pork and Lamb: Refreezing is OK if itâs still icy or very cold.
1 Raw Poultry or Chicken, Pork and Lamb: Refreezing is OK if itâs still icy or very cold. If itâs lower than 40F but not icy Iâd cook it before refreezing. If itâs warmer than 40F, slimy or smelly itâs trash.  Raw Fish and Shellfish: Do not refreeze, itâs too hard to tell if itâs starting to go bad.