How does her lower abdomen feel? Soft like a foam pillow - that is normal! Or does it feel hard like a drum, hat would be a bad sign.
@casportpony has started a thread about duck-anatomy a while ago: https://www.backyardchickens.com/threads/duck-anatomy.1182900/
@casportpony has started a thread about duck-anatomy a while ago: https://www.backyardchickens.com/threads/duck-anatomy.1182900/