Mamoona Shafiq, Syed Hafeezul Hassan, Muhammad Zubair, Qamar Aziz.
Combined oral contraceptive pills produce fewer changes in platelet count.
Pak J Med Health Sci Jan ;6(1):171-4.

Objective: to determine whether low dose combined oral contraceptive pills affect platelet count Methodology: The study was conducted at Family Planning Centers at social obstetrical unit Baqai Medical University and Reproductive and Health Sciences (RHS) Institute, a family planning unit, at Jinnah Post Graduate Medical Center Karachi, from November 2010 to April 2011. Fifty healthy non smoking women were administered combined oral contraceptive pills (COCPs) containing Ethinyloestradiol: 0.03mg, Levonorgestrel: 0.15mg, ferrous fumerate 75.0mg for six months. Results: At 6 months, no significant rise in the Platelet count which could be due to the low dose of estrogen used in combination. Conclusions: Low-dose 30mcg ethinylestradiol in COCPs produced fewer changes in platelet count.

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