The bits are all formed etc so I guess its just how determined the sonographer is to find the sex.
babybond do gender scans and recommend 16+wks for them.
That is decided at conception depending on if it is an X sperm or Y spermbut i think from about 14-15 weeks it has decided whether it will little boys bits or little girl bits
That is decided at conception depending on if it is an X sperm or Y spermbut i think from about 14-15 weeks it has decided whether it will little boys bits or little girl bits
But it is hard to physically see the difference before then as the genitals look similar.