Ligation

Hello po!!! Inquire po ako sa mga mommies dito na naligate na''. anu po mga good and bad effects? I'm 9 mos.,preggy now and planning to be ligated after giving birth. 4th baby na po namin ito,4 po kc plano namin ni hubby,at napag kasunduan na po naming mag-asawa..Sabi ni Ob advisable naman na po at my age na 29. I'm just worried and wondering kasi po permanent na ligation.