ArticleArchives of gynecology and obstetrics2026
Adherence to vitamin and dietary supplement intake in fertility and pregnancy care: insights into knowledge, information satisfaction, and formulation variability.
Article in Archives of gynecology and obstetrics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThis study investigated adherence to vitamin and dietary supplement intake, satisfaction with healthcare-provided information, and knowledge of essential micronutrients among women seeking fertility treatment and pregnant women in Germany.
methodsAn anonymous online survey (34 questions) assessed sociodemographics, supplement intake, knowledge and motivations. Adherence and satisfaction were measured by MARS-D (Medication Adherence Rating Scale) and SIMS-D (Satisfaction with Information about Medicines Scale).
resultsAmong 254 participants, 93.7% reported supplement use, and 86.6% began intake preconceptionally. On average, participants consumed two (2.0 ± 1.36) supplements concurrently. Most multiple micronutrient supplements (MMS) contained folic acid (100%) and iodine (86.2%) at recommended doses, other nutrients varied considerably. Participants knew two (1.81 ± 1.43) out of six micronutrients prior to information provision, increasing to three (2.94 ± 1.65) afterwards. Satisfaction with information (SIMS-D: 7.46 ± 5.92) was low, whereas adherence was high (MARS-D: 27.16 ± 3.06). Higher information satisfaction was associated with pregnancy (p = 0.007), younger age (p = 0.009), and lower educational level (p = 0.024). Adherence was linked to trimester (p = 0.007) and region (p = 0.013), with higher MARS-D scores in the first trimester and among participants from North Rhine-Westphalia. Key motivations were protecting the child and preventing deficiencies; main barriers included lack of awareness and feeling overwhelmed by preparation oversupply.
conclusionsDespite high adherence, knowledge and satisfaction with information remain limited. The wide variability in MMS formulations may pose risks of over- or underdosage. Combining personalized consultations with trustworthy media resources is essential to assess individual needs and provide detailed recommendations.
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