While it may be interesting to speculate that your twins are similar, but not exactly identical, there's no way to know for sure if they are polar body twins. (verywellfamily.com)
Neither the speedy results nor the large polar bodies necessarily point to problems with the eggs, she says. (sciencemag.org)
Each egg randomly discarded all but one of the copies by pushing the extras out in two blobs, called polar bodies. (discovermagazine.com)