No, nothing is serious, sudden loss of swelling is not serious matter..ok
You continue to give her treatment after consulting her gynaecologist.
The itching may be some pregnancy dermatosis
As now itching is relieved, no treatment is needed.
If itching is there, let her examined by dermatologist
to diagnose the disease.
He might give perfect treatment for the skin disease.
I hope you got my answer.
Dr.Ilyas Patel MD