unborn

Short definition from Wiktionary

Adjective

1. 1
   Not yet born; yet to come; future.
2. 2
   Not yet delivered; still existing in the mother's womb.
3. 3
   Existing without birth or beginning.

Noun

1. 1
   A single unborn offspring at any stage of gestation.
2. 2
   Unborn offspring collectively.