If you're going to prohibit abortion from the moment of conception, then in order for the law to be the slightest bit meaningful, the government is going to have to know who's pregnant. That seems pretty obvious, doen't it? Otherwise, how would the government know to prosecute and jail a woman who had an abortion in her second month? My cousin is about five months pregnant and only starting to show.
And for that matter, I've read tales of young girls who hid their pregnancy (woman working IN A MATERNITY WARD, college student, baby discovered 17 days after birth, gave birth while aunt was in another room) from their parents and friends. How do propose to prosecute and jail people like that should they have an abortion?
Certainly unless there's mandatory monthly pregnancy tests of all fertile women under threat of criminal penalties, patterened after Romanian dictator Ceaucescu's policies, it should be easier to fool government agents than a teenager's own relatives and coworkers.
Why haven't the feds broken down your door looking for drugs, child porn, or other illicit materials, you ask? THE FOURTH AMENDMENT RIGHT TO BE SECURE IN ONE'S PERSON, PAPERS, AND EFFECTS FROM UNREASONABLE SEARCH, or in other words, THE RIGHT TO PRIVACY.
Now take another look at post 31 from MHGinTN. What kind of government measures do you suppose he envisions?