6b765189_ing_dictionary__abortion_terms__Some_others__usage_term
[Evangelical usage/term] "The unborn," "pre-born," "child," or "baby" [Comments] These are largely medical terms. In popular use, the term "baby" is used to refer to any stage of development from pre-embryo to infant. [Some others' usage/term] 
Zygote, fertilized ovum, morula, blastocyst, embryo or fetus.
An intra-faith Christian translating dictionary: abortion terms
Some others' usage/term