within the uterus. i. contraceptive device see IUCD. i. growth restriction ( IUGR) failure of a fetus to achieve its growth potential, resulting in the birth of a baby whose birth weight is abnormally low in relation to its gestational age (see small for gestational age). Causes include maternal disease (e.g. infection, malnutrition, high blood pressure, smoking, and alcoholism), poor socioeconomic conditions, multiple pregnancy, and fetal disease or chromosomal abnormalities. It may be associated with preterm birth. i. insemination a procedure for assisting conception in some cases of male infertility, and also used in donor insemination, in which spermatozoa are injected through the vagina into the uterus at the time of ovulation, under ultrasound monitoring and guidance. i. system see IUS.
Subjects: Medicine and Health.