Your plastic surgeon will give you the best answer in your specific case about this and sex. For most of my patients I allow sex to begin at 6 weeks with the woman on top to minimize the risk of trauma. Here are some of the guidelines I give my patients following breast lipofilling: Following...
If you are a 32A, I believe a 371cc implant would likely make you a D-cup. Hopefully the decrease in size as swelling resolves will be enough to make you happy.
There is absolutely nothing wrong with your breasts. You simply may not have as much volume as you desire. Many women's breasts have a fair degree of mobility. Further, I have never met a female patient with perfectly symmetrical breasts. I think you need to figure out what bothers you...