Revision history of "Parity progression ratio"

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  • (cur | prev) 20:17, 27 February 2014Vipul (talk | contribs). . (729 bytes) (+729). . (Created page with "==Definition== The term '''parity progression ratio''' ('''PPR''') is typically used in the context of a cohort of females (such as a birth cohort) that has completed...")