Definition of "in utero" []

• In the uterus. (adverb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Fetal development identical to that observed in utero is obtained in vitro through four days post-fertilization with human egg and sperm, and with other vertebrates for much larger fractions of total gestation."
• "By applying their hands to the abdominal walls they try to ascertain the position of the fetus in utero and usually to correct malpresentation."
• "Association between in utero organophosphate pesticide exposure and abnormal reflexes in neonates."