A fluid-filled structure that surrounds the developing embryo in early pregnancy.

गर्भाशय थैली

English Usage: The doctor confirmed the presence of a gestational sac during the ultrasound.

Hindi Usage: डॉक्टर ने अल्ट्रासाउंड के दौरान गर्भाशय थैली की उपस्थिति की पुष्टि की।