Brest Cancer Awareness Month

You can try, but it will very likely be rejected due to this note on this page:

1. Please do not justify the addition of an emoji because it furthers a “cause,” no matter how worthwhile. A proposal may be advanced despite a “cause” argument — if other factors are compelling — but will not be advanced because of it.

2humans110354 wrote:

There needs to be a pink ribbon emoji for Brest Cancer Awareness Month.

https://unicode.org/emoji/proposals.html