Did the nurse accidentally reveal the sex?

Lisa

I went to the doctors office today at 36 weeks. The nurse did an ultrasound to verify baby is head down. She then kept looking all around to “get me a good picture”, although i told her i didn’t need it because i didn’t want to see anything as i don’t know the sex. She finally stopped and then said: “well, we didn’t get a good picture but it’s a good thing she’s head down!….i mean he or she!”. I didn’t comment. So, did she ruin the surprise or just naturally says “she”?!? I’m not happy.