Er doc says “at least 1”

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Went to the er this morning due to sharp left side pain. It woke me up this morning. Had to do an ultrasound to check for ectopic. (pain isn’t really there anymore) they wouldn’t let me see the ultrasound. Doctor says “at least 1” in uterus. What does that mean??) at least 1???? They say not 100% sure it isn’t but looks like it’s in the uterus.