IPA: /ˌɪntrəˈjuːtɪn/
KK: /ɪntrəˈjuːtərɪn/
Happening or located inside the uterus, which is the organ in a woman's body where a baby develops during pregnancy.
The doctor monitored the intrauterine growth of the fetus during the ultrasound.
Intrauterine → It is formed from "intra-" (meaning within) and "uterus" (from Latin, meaning womb). The word "intrauterine" refers to something that is located within the womb.
Think of 'intra-' meaning 'within' and 'uterus' referring to the womb — this helps you remember that 'intrauterine' means something that is inside the womb.