the.com/gestation
the slow alchemy of turning two cells into a screaming, fully-formed person.
length rangeOpossums finish in 12 days; elephants take 22 months
fingerprints firstUnique prints form by week 17, never repeated
shared cellsFetal cells linger in mothers for decades after
taste trainingBabies sample mom's diet through amniotic fluid
delayed startSome animals pause embryos until conditions improve