Circumcision

Hi guys. So I’m currently 8w 1d, I go to the doctor on Monday for my first ultrasound. I have a bunch of paperwork to fill out, including one that has me elect for circumcision versus not. We’re definitely not sure what we want to do yet, so I don’t necessarily want to put yes or no. If I put yes, does that mean it has to be done, or vice versa? Or am I able to back out? If anyone else has done this before, please let me know! I also have to pay for it by my 28th week. I’m a first time mom so I have no idea.

*EDIT TO ADD* I also figured this is a question asked when you find out the gender, not so early on, so I’m a little confused.