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[Oral contraceptive lowers serum magnesium]
Harefuah
|November 15, 1991
Summary
Oral contraceptive pills significantly lower serum magnesium levels in women. Further research is needed to determine if magnesium supplementation is necessary for oral contraceptive users.
Area of Science:
- Reproductive Endocrinology
- Nutritional Biochemistry
Context:
- Oral contraceptives (OCs) are widely used for family planning.
- Hormonal fluctuations can impact micronutrient levels.
- Previous studies noted similar effects with estrogen replacement therapy.
Purpose:
- To investigate the impact of a combined oral contraceptive on serum magnesium levels.
- To assess changes in serum magnesium over a 6-month period.
Summary:
- A study of 32 women using an oral contraceptive (ethinyl estradiol 0.03 mg and levonorgestrel 0.15 mg) showed a decrease in serum magnesium.
- Mean serum magnesium decreased from 0.82 mmol/l to 0.61 mmol/l over 6 months.
- This effect mirrors changes observed during pregnancy and estrogen therapy.
Impact:
- Highlights a potential biochemical consequence of oral contraceptive use.
- Suggests a need for further investigation into routine magnesium supplementation for women on OCs.
- Informs clinical practice regarding micronutrient status in women using hormonal contraception.