Elevated serum prolactin level with high-dose estrogen contraceptive pills

Area of Science:

• Endocrinology
• Reproductive Health
• Pharmacology

Background:

• Oral contraceptive pills are widely used globally, particularly in developing nations.
• Concerns exist regarding the use of high-dose estrogen formulations.
• Elevated serum prolactin levels (hyperprolactinemia) are a potential side effect.

Purpose of the Study:

• To investigate the relationship between oral contraceptive pill usage and serum prolactin levels.
• To determine if the duration of intake and steroid dosage influence prolactin elevation.
• To assess the impact of estrogen dose in contraceptive pills on serum prolactin.

Main Methods:

• A study involving 100 women aged 19-35 using oral contraceptives for 6-120 months.
• Participants were divided into two groups: high-dose (50 mcg estrogen) and low-dose (30 mcg estrogen) pill users.
• Serum prolactin levels were measured and compared between the groups.

Main Results:

• Both high-dose and low-dose estrogen pill users exhibited elevated serum prolactin levels.
• A significantly greater elevation in serum prolactin was observed in the high-dose estrogen group.
• The observed prolactin elevation showed a positive correlation with the duration of pill intake and steroid content.

Conclusions:

• Serum prolactin levels are positively associated with the duration of oral contraceptive use and their estrogen content.
• This relationship is independent of the women's age and parity.
• Pre-contraceptive prolactin level determination is advised to evaluate future risks of hyperprolactinemia associated with estrogen dose.