Pig\’s trotters: nutritional tips and precautions for families preparing for pregnancy. How to choose high-quality pig\’s trotters to increase the success rate of pregnancy preparation? The relevant content is as follows, 4. Pig’s trotters are a good nutritional supplement for families preparing for pregnancy. Do you know these characteristics? :Pig\’s trotters are a good nutritional supplement for families preparing for pregnancy. Do you know these characteristics? Prepare