* ovoviviparous - the eggs are retained within the female until birth
+
* viviparous - with a placental type of circulatory connection
+
* parthenogenic - asexual reproduction found in lizards such as certain ''Lacerta'' spp. and Aspidocelis (''Cnemidophorus'') spp. consisting entirely of females.
==References==
==References==
* Mader, D.R. (2005). ''Reptile Medicine and Surgery''. Saunders. pp. 1264. ISBN 072169327X
* Mader, D.R. (2005). ''Reptile Medicine and Surgery''. Saunders. pp. 1264. ISBN 072169327X