Before the Triptophan kicks in, read this case.

An Unborn "Child" is legally affirmed to be a "Person" in Texas
[Constitutional Establishment Clause Challenge Defeated]

If you kill it, it's a capitol offense in Texas.
The Defense here was unable to overturn the Texas Penal statute defining a "person" from conception at any point in gestation on constitutional grounds. It is significant and may go to the S.Ct.- stay tuned.

http://www.1stcoa.courts.state.tx.us/opinions/PDFOpinion.asp?OpinionId=86058