Both the egg (ovum) and the sperm are alive, but unjoined neither one are able to survive more than a few days, however joined they become a human blastocyst and it possesses the potential to grow into an adult.

One medical lexicon defines baby as, "An infant; a newborn child.

Anti abortionists often prefer to use the term "Human life".

Consider; The National Conference of State Legislatures states that "Currently, at least 38 states have fetal homicide laws. The states include: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Nebraska, Nevada, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia and Wisconsin. At least 23 states have fetal homicide laws that apply to the earliest stages of pregnancy ("any state of gestation," "conception," "fertilization" or "post-fertilization"); these are indicated below with an asterisk (*). The page can be found here. http://www.ncsl.org/research/health/fetal-homicide-state-laws.aspx

I supplied the above only as food for thought----- for those who care to.