Özet:

Objective: Menstruation is the most common phenomenon observed in fertile women. Menstrual cycle (MC) is of 3 phases: proliferative phase, secretory phase and menstruation phase. It is controlled by endocrine system. Natural fluctuations in sex steroid hormones during MC causes changes in hematological parameters. The aim of the present study to assess the impact of different phases of MC on hematological parameters. Methods: The study was conducted in KIMS, Hubli, from 01st March 2011 to 31st March 2012. Women aged between 20-30 years with regular menstrual cycle of 27-30 days were included in the study. During each visit, the subjects’ blood was collected and analyzed using KX-21 SYSMEX for various hematological parameters. Results: A total of 50 healthy young women were included in the study. On statistical comparing of hematological parameters, hematocrit, hemoglobin, neutrophil count and eosinophil count showed a significant difference while no statistically significant difference was observed in RBC, leucocyte count, lymphocyte count, monocyte count, erythrocyte sedimentation rate (ESR) and platelet count between different phases of MC. Conclusion: To conclude, the hematological parameters during the MC are highly dependent on the phasic changes in the immune response mechanism and sex steroid hormones.

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