Panorama testing we are having a....

Did the panorama testing to test for genetic defects at 11weeks (almost 13 weeks now) also you an find out the sex of baby, so blessed we found out we are having a beautiful baby girl! :) very excited! But some cousins of ours who just had their baby 4 months ago keeps saying "that's to early to find out" it just the negativity is bringing me down a bit.