Dreams involving intense emotions and vivid imagery can often reflect our subconscious thoughts, fears, and experiences. Your dream seems to encompass themes of anxiety, the unknown, and concern for others, particularly concerning motherhood and the life cycle.

1. Characters:
   • You: Your presence in the dream suggests you are at the center of these feelings and experiences.
   • New Mother (NM) and Expecting Mother (EM): These characters may represent different stages of motherhood, and their presence could symbolize your thoughts or feelings about motherhood, either for yourself or in relation to others.
   • Police Officer (PO): This figure may symbolize authority, protection, or a need for security in a chaotic situation.
2. Setting:
   • The dock with cruise ships might symbolize a journey or transition, possibly reflecting your feelings about changes in life. Watching the ships could suggest a desire for exploration or a perspective on how small issues can seem in the grand scheme of life.
   • The room with the sofa represents a space of contemplation and observation, while the kitchen might symbolize the nurturing aspect of life and domesticity.
3. The Dark Kitchen and EM's Actions:
   • The dark kitchen and EM's strange behavior could represent fears about motherhood and the pressures surrounding it. Her laughter, which you described as dark and insane, may symbolize anxiety about the potential for unexpected or uncontrollable outcomes in pregnancy or motherhood.
   • Your instinct to check on her, especially wanting PO to do it, suggests a desire for someone with authority to intervene in a situation you find troubling.
4. The Fetus:
   • The imagery of the fetus looking wrong and your struggle to communicate could reflect feelings of powerlessness or fear regarding childbirth, motherhood, or perhaps a broader concern about life and the future. The unusual appearance might indicate anxieties about expectations versus reality in parenting or personal growth.
5. Emotional Response:
   • Your response of fear and the physical sensations of sweating and a pounding heart highlight the intensity of your emotions surrounding these themes. The act of trying to stay silent may reflect feelings of being overwhelmed or unable to express yourself adequately in stressful situations.

Overall, this dream may serve as a reflection of your subconscious processing feelings about motherhood, expectations, and fears associated with life changes. It could be helpful to explore these feelings further, perhaps through writing or discussing them with someone you trust, to gain deeper insights into what they may signify in your waking life.