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Question
I have 11 babies rats they are 2 weeks old i don't know how to tell the sex apart. I really don't want more babies

Answer
Males and females can be hard to distinguish until males' testicles drop between 3 and 4 weeks, however right now, males will have a small nodule (the side of the metal tip on a ball point pen) about 1/8 of an inch or so above their anus, on their belly. A female will have a smaller nodule closer to the anus.

If you google "determining rat pup gender" you may be able to find pictures. Good luck!