Dreams about pregnancy often symbolize growth, potential, or the development of new ideas and projects in your life. In your dream, being pregnant for an extended period may reflect feelings of anticipation or anxiety about something in your life that is taking longer than expected to manifest. It might relate to personal goals, relationships, or creative endeavors.

The setting of being in a random house with people around you could indicate feelings of community or support during this time, but it could also suggest a sense of confusion or lack of control over your environment. The presence of your sister, who is pregnant in real life, may further highlight familial connections and shared experiences, or it could represent a reflection of your own feelings regarding motherhood, responsibility, or nurturing.

The journey through the creepy alley while waddling suggests you may be facing challenges or fears that feel overwhelming, especially while feeling vulnerable (not wearing shoes). The dampness and coldness of the environment could symbolize emotional discomfort or uncertainty in your life.

The fact that you woke up without caring about the potentially dangerous situation may indicate that you are either feeling a sense of detachment from these worries or that you are ready to face challenges without fear.

Overall, this dream could be urging you to reflect on what you are nurturing in your life and how you are coping with the anxieties that come with it. Consider what aspects of your life feel stagnant or require attention, and think about seeking support from those close to you as you navigate these feelings.