I don't know how early you can do it. It was very foamy both times I tried today. I am hoping its wrong and we have a lil girl growing. Everything I have read said fizzy means boy. Nothing means girl. We have about 7 weeks until we are 20 weeks and can find out.
i did one at 9 weeks and it fizzed then i did another one at 12 weeks and it never did anything. i did it again at 15 weeks and still did not fizz but i had an ultrasound at 16w5d and it was a girl=). i had another ultrasound when i was 19w5d but baby was measuring 20w3d and it sure was a girl=).
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