Elected csection booking

Bethany
Anyone know they earliest I can book in for an elected section it's elected for heart problem I have but I'm becoming so stressed my son starts school in September for the first time and my 39th weeks is sept2nd it's really important I'm there for him on his first day but they say they can't book me in before 39 weeks I understand it's best for baby to stay in the womb as long as possible but my first son was born at 38 weeks and had a ab score of 10 on delivery and is a very healthy baby is it out of the question to have baby delivered at 38weeks that would be end of August and would allow me to be there for my first born too