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.
Refreezing food is not dangerous, the danger is that food can spoil before itâs refrozen or after itâs thawed again before being cooked and eaten. Freezing food does not kill bacteria, so once thawed bacteria continues to multiple at the same exponential rate it was multiplying at before being frozen. It is ok to refreeze the meat after you cook it. 2  Be really careful with fish. 3  Cooked Foods with Meat: Do not freeze cooked meals containing meat if they have thawed and are not longer icy.