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.
Do not refreeze. If food is completely thawed, warmed to room temperature or left out of the refrigerator for more than two hours, throw the food out for safety's sake. These principles apply to meat, poultry, shellfish, some vegetables and cooked foods.Many vegetables are safe to refreeze.f food is completely thawed, warmed to room temperature or left out of the refrigerator for more than two hours, throw the food out for safety's sake. These principles apply to meat, poultry, shellfish, some vegetables and cooked foods. Many vegetables are safe to refreeze.