Hello ladies Ive posted here before once with a similar ?

. I dont chart and never have and according to when I started my period on the 17th I should O on the 31st but dh and I are wanting to start tonight

because he wants to try the Shettles method and try for a boy. Do you believe in the this method? Also is going fro m 3 to 4 really that big of a difference? I know there are times when 3 can be overwelming for me and am now terrified

. Ive heard its no difference at all and it actually doesnt cost a whole lot more. Thanks for any support