Dreams like yours can often be complex and filled with symbolism. Let's break down some of the key elements to interpret what they might mean for you.

1. The Setting (Dock and Room): The dock represents a transitional space, perhaps signifying a waiting period or a sense of anticipation in your life. It could symbolize your current state of mind—observing life go by or feeling stuck. The room with the sofas may represent your comfort zone, and the presence of others indicates your social relationships and emotional connections.
2. Characters (New Mother, Expecting Mother, Police Officer): Each character likely symbolizes different aspects of your life or psyche. The new mother (NM) could represent nurturing, care, or perhaps your feelings about motherhood. The expecting mother (EM) might symbolize potential, change, or anxiety about new beginnings. The police officer (PO) could represent authority, protection, or a desire for order in chaotic situations.
3. The Dark Kitchen: Kitchens often symbolize nourishment and domesticity, but in this case, the darkness suggests fear or the unknown. EM's strange behavior and laughter may represent your fears or anxieties regarding motherhood, mental health, or the unknown aspects of bringing new life into the world.
4. The Fetus: This is a powerful symbol. The distorted image of the fetus may indicate your fears about pregnancy, motherhood, or issues surrounding creation and life. It could represent your subconscious worries about things not going as planned, or a feeling that something important is being threatened or is not as it should be.
5. The Emotion of Fear and Silence: Your instinct to keep quiet and the feeling of panic suggest an internal conflict or fear of expressing your feelings or confronting difficult situations. It indicates a struggle with being heard or understood amidst chaos.

Overall, your dream may reflect deep-seated fears or anxieties regarding motherhood, change, or the pressures of new beginnings. It might be helpful to consider what aspects of your life are currently causing you stress or anxiety. Reflecting on these feelings during your waking life could provide clarity and possibly alleviate some of the stress manifesting in your dreams.

If these themes resonate with you, consider discussing your feelings with someone you trust, whether it's a friend or a professional, to help navigate through these emotions.