Merry's soft-pedaling it these days.  I recall earlier interviews where she was bitter about the middle-of-the-night Gimme Shelter session, and the miscarriage after.  (The baby's dead, my lady said/You schmucks all work for me!)

Here's her current, sunnier take on things.  Should we be glad?

https://www.npr.org/2021/04/08/985363178/prolific-background-singer-merry-clayton

https://www.npr.org/2021/04/08/985070272/merry-clayton-bares-her-beautiful-scars