foetal
If the chemical enters the bloodstream it can cross into the placenta and be absorbed by the foetus.
In some countries there are laws banning doctors from telling pregnant women the sex of the foetus.
Umbilical blood sampling can be used to evaluate fetuses at risk for certain blood disorders.

SMART Vocabulary: related words and phrases

Animal reproduction
androgen
anti-oestrogen
asexuality
asexually
barrenness
calve
fertile
gamete
impregnate
out-reproduce
ovulate
panmictic
panmixia
procreate
procreation
procreative
rut
semen
spawn
sterile

You can also find related words, phrases, and synonyms in the topics:

Obstetrics: processes & stages connected with sexual reproduction