I would tread gently and tell her over the phone maybe. This way she doesn't have to see your face so she doesn't feel she has to hide her feelings. Tell her that you understand that this isn't going to be easy for her to hear and you understand if she doesn't want to discuss and/or hear every detail of your pregnancy from you. Be prepared for her to be upset, but also be aware that she may be ok with hearing that you are pregnant.

Going forward wait for her to ask about your pregnancy. I understand you are excited and it's ok for you to be excited, but it's also ok for her to need to detach from your pregnancy a bit too.

Big . It's a difficult situation all round.