Weird but i have to do it!!

I had my first appointment yesterday and all is great. I'm 9 weeks and 1 day and when I was there the doctor they told me that I needed to collect urine for 24 hours. Not only collected but keep it in the refrigerator has anyone else have to go through this or collect urine for 24 hours I am a BBW and they make me do a lot of tests that I wouldn't normally do until my second trimester but I'm OK with it as long as my little jelly bean is OK. Anyone?????