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Intrauterine gestation is a normal finding on a first-trimester ultrasound and means that the pregnancy is taking place inside of the uterus. This is in contrast to ectopic pregnancy that can occur inside of a fallopian tube, ovary, cervix or the abdomen, according to t...


According to HealthCentral, an intrauterine pregnancy is when a baby grows inside of the uterus, or womb. The definition of intrauterine is "inside the uterus."


A viable intrauterine pregnancy is a medical term used to refer to what is essentially a healthy, normal pregnancy. "Intrauterine" simply means that the pregnancy is occurring inside the uterus, as it should be, and this can be determined early with a transvaginal or tr...


During an intrauterine insemination, a patient lies on an exam table with her legs in stirrups, and a doctor uses a speculum to slightly widen the vaginal opening, Mayo Clinic states. The doctor threads a catheter with an attached vial through the vaginal cavity, releas...


The average gestation period in humans is 280 days or 40 weeks. The gestation period begins on the first day of the woman's last menstrual period. Full-term babies are born from 37 weeks to 42 weeks of the estimated date of birth.


The gestation period for dogs is about 63 days. This time frame is measured from the day of ovulation to the day that the dog gives birth. As with humans, the gestation period is divided into three trimesters.


The gestation period for a healthy domestic cat is usually between 57 and 69 days. Some veterinarians believe that day 65 of pregnancy is the ideal time for a cat to give birth.