embryotoxicity

https://doi.org/10.1351/goldbook.15658
  1. Production by a substance of toxic effects in progeny in the first period of pregnancy between conception and the fetal stage.
  2. Any toxic effect on the conceptus as a result of prenatal exposure during the embryonic stages of development: These effects may include malformations and variations, malfunctions, altered growth, prenatal death, and altered postnatal function.
Source:
PAC, 2007, 79, 1153. (Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)) on page 1212 [Terms] [Paper]