I thought it better suited for 2nd tri I have a chance to get into DR for gender scan on my 17th week. Initially it was for 18 weeks BUT my bro is getting married and I can announce to family what it is if I get in a week early. Its my moms first grandbaby- me and my brothers wife are due 3 weeks apart! How neat is that for her? From 0 grandbabies, to 2 grandbabies in the same month! In your 2nd tri experience, how accurate is a week 17 gender scan? I can barely contain myself!