And the research seems to disprove the core premise of the person I responded to ("only men are drafted because women are kept to be bred to repopulate the country, because 1 men can get multiple women pregnant"). From the abstract:
> Using unique archival data, the results indicate that male scarcity led to lower rates of marriage and fertility
At least in Russia it meant: less options for women, a more male centric dating market and more children born out of wedlock.
https://direct.mit.edu/rest/article-abstract/99/2/229/58403/...