HKJGOM 2005; 5 (1) 40 Introduction In modern days, birth control in our community has been achieved with modest success via the practice of various contraceptive methods. According to statistics from The Family Planning Association of Hong Kong (FPAHK), the contraceptive practice rate in Hong Kong has been maintained at above 80% since 19871. This is higher than the world average of 60%2. Famil...