Colleague has recently returned from her second maternity leave and is clearly struggling. We work in quite a pressured, competitive environment. She has confided in me, I think because I have older DC and I'm also not line management. She is concerned about appearing weak or inflexible, but her managers don't seem to have noticed that she is not in a good place mentally. They are not uncaring, just very busy and results-focussed.
WIBU to share my concerns with them? I feel very uncomfortable with betraying my colleague's confidence when I think she regards me as a bit of a safety net. But I am very concerned about her. WWYD?