Breast: Myself, Medela

Avent vs Medela

Hello ladies! We just had out second child and are ecstatic! Without first we weren't able to nurse and did formula but this time we are breast feeding and things are going great! Unfortunately I will have to go back to work so I've started pumping and storing. I'm very committed toonly using breastmilk this time and plan on nursing when home. Does anyone know which are better bottles/nipples that will not interfere too much with nursing? I've done some online research which said avent newborn nipples or the medela nipples are best for...