Use of hormonal contraception — regardless of type or delivery method — was not associated with a significant increased risk for idiopathic intracranial hypertension (IIH) in women of reproductive age, a new study showed.
The systematic review and meta-analysis is the first to show no link between IIH prevalence and the use of hormonal birth control, including oral contraceptives, intrauterine dev...
**Steelman:** This study provides robust evidence challenging long-held concerns about hormonal contraception as a risk factor for IIH. By synthesizing data from over 5,000 cases and 669,000 controls, it offers a more definitive answer than prior small-scale or observational studies. The inclusion of multiple contraceptive types and sensitivity analyses strengthens its conclusions. The authors and independent experts like Dr. Lee acknowledge the study’s limitations but frame it as a step toward ...