Dreams involving pregnancy and childbirth often symbolize new beginnings, creativity, or personal growth. The setting of a public bathroom may indicate feelings of vulnerability or exposure, suggesting that you might be dealing with some personal issues in a public or social context.

The imagery of a hand pushing from under your skin could represent a feeling of something new or transformative emerging from within you, perhaps an idea, project, or emotion that you are struggling to accept or acknowledge. The fear you felt upon realizing this may suggest anxiety about changes in your life, especially regarding relationships or responsibilities.

The little boy you birthed could symbolize a part of yourself or a new venture that you are unsure about, particularly as you mentioned not knowing if he belonged to your ex or boyfriend. This ambiguity might reflect uncertainty in your current relationship or feelings about your past.

The transition to the gymnasium, where you felt judged and shamed, indicates a concern about how others perceive you, especially in relation to your choices or changes in your life. This shame could stem from societal expectations or personal insecurities.

Finally, the court setting signifies a desire for justice or closure regarding past relationships or decisions. The presence of your ex and his father may represent unresolved emotions or conflicts from that relationship.

Overall, this dream reflects themes of transformation, identity, and the weight of societal judgment. It may be helpful to explore your feelings about your current relationships and any new ventures or changes in your life. Consider what aspects of yourself you may be trying to birth or bring to fruition and how you can do so with confidence, despite any external pressures or insecurities.