Hi and thank you for your question! You are absolutely correct in saying that the reason we do not do and recommend filler injections during pregnancy and while breastfeeding is because filler injections have not been studied during these periods. As elective cosmetic procedures, most clinicians would agree that it would be better not to do these treatments out of abundance of caution and to avoid any risks (no matter how small and unlikely it is) to the baby and mother. Additionally, given the significant changes that body undergoes during these periods, including fluid shifts and redistribution in the body, the results of filler treatment might be less predictable. While fillers are not normally expected to enter blood stream, there are rare cases of accidental injection into blood vessels which could pose some additional risk. Given all, I concur that postponing these treatments to after pregnancy and breastfeeding is a more prudent approach. I hope it helps and good luck!
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