unders are under the muscle some people prefer them as they say the muscle is like an internal bra and they give a more natural but take longer to heal and more painful as the muscle is cut from the chest wall,
overs are over the muscle ya can go bigger with overs as theres more room so if ya want the fake look ya can get it but they can also look natural if having overs defo need more breast tissue or ya may get rippling and see implant
and partials are a mix of both the top half of implant is under the muscle and the bottom is not ya get the same healing times e.t.c as full unders
when i first started research i was all for unders then did toooo much research and got to the point where i liked both and no longer knew what i wanted so waited to see surgeon my worst fear was being in your situation and being told i could have both lucky for me i was told i could have overs so thats what i’am having best thing to do is look a pics or maybe get a 2nd oppion to see if they say different hun xx sam xx