bruising from STIMS

Brittany • Mother of 2 boys( 6/11/08 and 7/4/17) DH had vasectomy, IVF fresh cycle #1 BFP November 2016, Baby born Independence Day 2017, can't wait for baby #3 in a few years! 👶🏽💙❤️💙❤️
Anyone else experiences bruising from their injections? Any advice to avoid this?