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Reference:
1. Vrettakos C, Bajaj T. Levonorgestrel. StatPearls. Treasure Island (FL) ineligible companies. Disclosure: Tushar Bajaj declares no relevant financial relationships with ineligible companies.2025.
2. Rodrigues I, Grou F, Joly J. Effectiveness of emergency contraceptive pills between 72 and 120 hours after unprotected sexual intercourse. Am J Obstet Gynecol. 2001;184(4):531-537.
3.สุณี เลิศสินอุดม. A review of Emergency contraception pills (ECP) [อินเตอร์เน็ต]. [เข้าถึงเมื่อ 4 กุมภาพันธ์ 2568]. เข้าถึงได้จาก: https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://ccpe.pharmacycouncil.org/showfile.php%3Ffile%3D178&ved=2ahUKEwivr__L0KyLAxWhyDgGHTu8AWkQFnoECBYQAQ&usg=AOvVaw1jssvtImdIEzZplqwDnbNE
4.National Health Service. Periods [Internet]. 2023[cited 2025 Feb 4]. Available from: https://www.nhs.uk/conditions/periods/
5. National Health Service. Irregular periods [Internet]. 2022[cited 2025 Feb 4]. Available from: https://www.nhs.uk/conditions/irregular-periods/
Keywords:
ถุงยางแตก, ยาคุมฉุกเฉิน, ประจำเดือนไม่มา
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