Dystocia is the retention of follicles or eggs in the female and is common in lizards (mainly iguanas) and snakes. Reptiles can resorb follicles that do not develop but sometimes this does not occur and pre-ovulatory follicular dystocia occurs. | Dystocia is the retention of follicles or eggs in the female and is common in lizards (mainly iguanas) and snakes. Reptiles can resorb follicles that do not develop but sometimes this does not occur and pre-ovulatory follicular dystocia occurs. |