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.
The answer depends on how the meat was thawed. If you read any of the health and safety documentation it tends to stipulate that meat thawed in a refrigerator can be safety refrozen.Meat thawed by other methods, particularly if the temperature reaches 40Â°Fâ140Â°F (4Â°Câ60Â°C) should be cooked before refreezing.. I've often been told by people that I shouldn't refreeze meat (particularly hamburger meat) once it has been thawed. However, this seems a little silly to me. I can't imagine how meat that hasn't been bought fresh and local could find its way to my kitchen with out thawing and being refrozen a couple of times.