关于避孕更科学，更安全吗？
问：
对避孕更科学，更安全吗？
答：
当然，避孕套
答：
两个人使用安全套，双保险！ ！
答：
避孕套+避孕药霜，双重保险。
About contraception more scientific and more secure?
Question:
about contraception more scientific and more secure?
Answer:
of course, condoms had
Answer:
two people to use condoms, double the insurance! !
Answer:
condoms + birth control pills cream, double insurance.05-09-17