The young of ovoviviparous are sometimes born as larvae, and undergo outside the body of the mother, and in some insect species, such as the, the embryos develop to the first larval stage before they are laid and the eggs hatch almost immediately. In some species, this is supplemented by uterine secretions or other maternal provisioning. This method of reproduction is similar to, but the embryos have no placental connection with the mother and receive their nourishment from a. The characteristic quivering abdomen caused by movement of within a pregnant female Ovoviviparity, ovovivipary, ovivipary, or aplacental viviparity is a mode of reproduction in in which that develop inside remain in the mother's body until they are ready to hatch.
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