She's even more exhausted after having the second one.
Tips
culture
Freighted with policy history: from 1980 the one-child policy made 二胎 illegal for most urban families. A 二胎 policy replaced it in 2016, and 三胎 was liberalized in 2021 — all as fertility rates kept dropping.
usage
Refers both to the second pregnancy itself and to the second-born child. Pairs: 头胎 / 大宝 (firstborn), 二宝 (second child, affectionate).