3. WHO Family planning- A global handbook for providers. 2022 Edition. Available from:

https://www.who.int/publications/i/item/9780999203705. [Accessed 3 Nov 2023].

9. Drug Office. Drugs Database. MERCILON. Available from:

https://www.drugoffice.gov.hk/eps/drug/productDetail/en/pharmaceutical_trade/156092. [Accessed 19 Nov 2025].

10. IQVIA Q32025 G03 Market

11. European Medical Agency. Available from:

https://ec.europa.eu/health/documents/community-register/2015/20150716132227/anx_132227_en.pdf. [Accessed 19 Nov 2025].

12. Taiwan Food and Drug Administration. Available from:

https://www.fda.gov.tw/tc/newsContent.aspx?cid=5049&id=25146. [Accessed 19 Nov 2025].

16. TFDA. Available from:

https://article-consumer.fda.gov.tw/subject.aspx?subjectid=2&id=3598&parentid=68. [Accessed 19 Nov 2025].

22. Rosenberg MJ, et al. Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations. Contraception. 1999 Dec;60(6):321-9.