Talk to Gynecologist on B.t.l And Mx Of Pih

i m non practicing mbbs.i have 2 sons 4yr3months old and other is 3yrs old and now i m 36weksplus 3. my pregnancy everytime made me suffer mentally very much.during gestation i hated my life and wanted to leave my husband.although everything settled aftrwards. this time drom 4th month onwards of pregnancy i had insomia with fears.with quickening i wanted to kick out the thing in my womb out like previous pregnancy.i had two abortions previously just becos i cannot hold it.well telling u all story i want help in deciding as my obstrtn said i m obese 96kg before pregnancy and i want to lose it too.so b.t.l is only option.calender and barrier method already failed twice.my this baby is girl.i m suffering toothache insomia carpel tunnel and now from.36week having hypertension. sholud i opt fr b.tl at this age and family size....???? and other thing is as my bp is rising 140/90 with labetolol 100mg b.d and moduretic o.d my obs asked me to have induction and deliver it at 37completed weeks o