ultrasound tech won’t tell gender until 20 weeks

K

we went to a local ultrasound place at 14 weeks and they predicted that the baby was a boy, i’m not at all convinced bc of the way she acted and kept telling me how she could be wrong bc boy parts get confused for girl blah blah blah. Everyone gives this place rave reviews but i actually had a horrible experience( girls mustvejust had an off day). I have ultrasounds every two weeks bc of subchorionic hemmorage. I have one at 17 1/2+ weeks and they say they won’t confirm the gender until 20 weeks. i’ve been going to the same place for over ten years. diff tech confirmed my sons gender at 16 weeks. i’m just curious if there’s a reason for this?