Infection with the parasite \(Toxoplasma\ gondii\) that, when acquired by the fetus, can lead to a variety of congenital abnormalities that may include hydrocephalus or microcephaly, mental retardation, and problems with vision and hearing.
Note: Infection of the fetus is from the mother who may acquire it from contact with feces of the domestic cat or from undercooked meat.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 814 (https://doi.org/10.1515/pac-2015-1202)