Lyric discussion by hindenburg 

Cover art for Girl Anachronism lyrics by Dresden Dolls, The

The premise is that the narrator, who is somewhat mentally disturbed, believes that her problems, (the "anachronism"), are tied to her being a C-section baby. Technically, being delivered by C-section implies not being born on time ("before the labor pains set in"), being an anachronism in the most literal of senses.

Song Meaning
Negative
Subjective
Anger
Sadness
Identity
Struggle
Mental Health