There's more bands named Afterbirth:
1) Brutal old school Death Metal from New York.
2) D-beat/crustcore punk band from Edinburgh (with members from Scotland, England, Czech and Poland) which released a demo CD in 2005 (called Robots Of Death) and "Your Gods Vomit In Disgust" LP in 2007 (on 4 different labels including Insane Society from Czech and Scream Records from Poland).
3) A punk band from Tawas which is in the northern part of mid-Michigan. Released a six song 7" in 1988. Variations of the band lasted into the 1990s.
Canon