Pregnancy is read as something growing in you that is not ready to be seen yet — a plan, a change, a new stage. Dream books treat it as a symbol far more often than as a literal sign. Feeling joy about the pregnancy points to excitement about what is developing in your life. Anxiety or fear is linked to doubt about new responsibilities; someone else being pregnant is read as noticing growth or change around you. Dreaming of pregnancy is common at turning points, whatever your age or gender. It can help to notice what idea or change you are currently carrying.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.