Levonorgestrel is used to prevent pregnancy after unprotected sexual intercourse (sex without any method of birth control or with a birth control method that failed

When comes to the condoms, thickness will be a major topic that are closely related with it. In the past, the thickness of condoms strongly

On May 15th, the International Convention and Exhibition Center kicked off. The center is flooded with people and the atmosphere there was lively and vividly.