The WHO has called a meeting of experts in January.
世卫组织一月份召开了一次专家会议。
Health groups have been promoting the use of injectable contraceptives as an easy and cost-effective form of birth control. The women can inject themselves, and each shot is effective for three months.
各卫生组织一直提倡使用注射避孕药,将其视为一种简单,实惠的避孕方式。妇女可以自己注射这种激素,每针可以有效避孕三个月。
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