Will there be fluctuations in platelets during menstrual examination?

During menstrual check ups, there may be fluctuations in platelets, but they usually do not exceed the normal range. Platelet fluctuations may be related to hormone changes, blood dilution, and other factors. If the results are abnormal, it is recommended to have a follow-up examination. During menstruation, women's levels of estrogen and progesterone undergo periodic changes, which may have a slight impact on bone marrow hematopoietic function, temporarily disrupting the balance between platelet production and disruption. Some women may experience a mild increase in platelets 1-2 days before menstruation, while on the 2-3 days after menstruation, there may be a slight decrease in platelet values due to menstrual blood loss. This physiological fluctuation amplitude is generally within the normal reference range and will not cause clinically significant changes. The venous blood test used during physical examination is less affected by the amount of menstrual bleeding, but some sensitive individuals may experience an increase in platelet aggregation due to hormonal effects, leading to false thrombocytopenia during instrument testing. In rare cases, excessive menstrual flow may cause a blood dilution effect, resulting in a temporary decrease in platelet count. If there are underlying diseases such as iron deficiency anemia or immune thrombocytopenia, menstruation may exacerbate platelet consumption or destruction. Intense exercise, prolonged fasting, or excessive drinking before a physical examination may also interfere with the test results. When platelet count is significantly abnormal or accompanied by symptoms such as skin bruising and gum bleeding, it is necessary to be alert to the possibility of pathological thrombocytopenia.

It is recommended to avoid physical examinations on the 1-2 days with the highest menstrual flow. Adequate sleep should be ensured and vigorous exercise should be avoided before reviewing abnormal results. Daily intake of foods rich in iron and vitamin C, such as lean meat and spinach, can maintain normal hematopoietic function. If multiple tests show persistent platelet abnormalities, further bone marrow puncture and other examinations are required to rule out hematological diseases.