Age

18–any

Sex

FEMALE

Healthy volunteers

Accepted

Medical or obstetric conditions that contraindicate dietary modifications.
Active metabolic, renal, or hepatic disease.
Severe hyperemesis gravidarum or gastrointestinal disorders limiting food intake.
Allergy or intolerance to cocoa.
Habitual high cocoa or chocolate consumption (\>30 g/day).
Multiple pregnancy.
Severe obstetric complications diagnosed before enrollment.
Inability to comply with study procedures, attend follow-up visits, or communication barriers that could interfere with participation.

Polyphenol Intake, Mediterranean Diet Adherence, and Oxidative Stress in Pregnancy