score	Clinical symptoms					Clinical signs
score	Vulvar itching	Vulvar pain	Dyspareunia	Skin color	Skin morphology		score	Affected area
0	None	None	None	Normal	Normal		0	Normal
1～3分	Mild	Mild	Mild	Mild	Mild atrophy/thin		1	One part of the clitoris/labia minora/ labia majora
4～6分	Moderate	Moderate	Moderate	Moderate	Moderate atrophy/thin		2	2 parts of Clitoris/labia minora/labia majora
7～10分	severe	Severe	Severe	Severe pale	Severe atrophy/fragile		3	Clitoris, labia minora, labia majora perineum and perianal

Table 1 : VLS clinical symptoms and signs scoring criteria

Variables Mean ± standard deviation, range, n (%).
Age (years)	26~73(50.7±13.4)
Post-menopausal	33(60%）
Duration of itching(years)	0.5~20(7.19±5.65)
Itching	55(100%)
History of Thyroid disorders	20(36.4%)
Diabetic	1（2.5%）
History of extragenital LS	1（2.5%）
Family history of VLS	3（5.4%）
History of IUD	32(58.2%)
History of oral contraceptive	21（38.2%）

variables	range, n(%) and Mean ± standard deviation.
Three sessions	41/55(74.5%)
Four sessions	10/55(18.1%)
Five sessions	4/55(7.2%)
Average sessions	3.3±0.6
Follow-ups	3~12months
Average follow-ups	9.9±3.7