ovoviviparous

Producing eggs that hatch within the female’s body, as in certain fishes and reptiles and many invertebrates.

Producing eggs which are hatched within the body of the parent but without placental attachment, so that the young are born alive, yet have not been developed in that direct connection with the blood-vessels of the mother which is characteristic of viviparous animals.

Oviparous, but hatching the egg while it is within the body, as some fishes and reptiles.

Of or pertaining to such kind of animals such as some reptiles whose eggs hatch inside their body

producing living young from eggs that hatch within the body