n.
The average speed of a baby traveling through the birth canal. Based on the time from the beginning of transitionall delivery to the baby being fully delivered. This comes out to 14 cm/hr on average for a woman with a 7 cm long birth canal.

See also: Mom Speed
Dude, all I heard was my mom screaming and the next thing I knew, I was at maternal velocity.
by Obeythelaw7 May 30, 2016
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