Center for Studies in Demography and Ecology

Pörtner Publication on Birth Spacing and Sex-Selective Abortions in India Now Available

Posted: 11/19/2021 (CSDE in the News)

CSDE External Affiliate Claus Pörtner‘s recent article has just been released on Demography‘s website in advance of publication. This research spans four decades of data. Since the advent of prenatal sex-determination technologies in the mid-1980s, India has experienced an increasingly male-biased sex ratio at birth, presumably from sex-selective abortions. Abortions lengthen birth intervals, and this paper shows that, although the overall length of birth intervals increased from 1970 to the mid-2010s, well-educated women with no sons had the most substantial lengthening, as well as the most male-biased sex ratios.

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