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Researchers are studying how family-based dietary counseling during pregnancy affects weight gain in pregnant women. This randomized controlled trial compares two approaches family-based dietary monitoring involving both the pregnant woman and a household member who shares meals with her, against the usual individual dietary counseling given to the pregnant woman alone. The study is led by University Hospital, Toulouse, aiming to improve pregnancy outcomes through dietary support. Participants are randomly assigned to one of two groups. One group receives standard individual dietetic counseling from a dietician during pregnancy. The other group receives family-based dietary counseling where both the pregnant woman and a companion who shares meals with her receive guidance together. This counseling occurs throughout pregnancy, with monitoring at several stages. During the study, researchers track maternal weight change at delivery as the primary outcome. They also assess BMI during pregnancy, babys birth weight, nutritional intake, gestational diabetes screening, maternal weight loss postpartum, compliance with counseling, physical activity, social support, satisfaction with care, and healthcare costs. These evaluations happen at multiple pregnancy stages and up to six months after delivery, giving a comprehensive view of the interventions impact.

This research aims to collect detailed information about hypoparathyroidism in France, a condition with few epidemiological studies worldwide and none specific to France. The study focuses on understanding the frequency of this condition, the medications used, and the complications it may cause, such as low calcium symptoms, calcifications in the brain and tissues, kidney stones, and kidney problems. Participants will not receive any treatment as part of this study since it is observational. The study gathers data from patients diagnosed with chronic hypoparathyroidism living in France to assess their medical history, current treatments, and any complications related to their condition. There is no intervention or drug administration involved. During the study, researchers will review participants biological data including calcium, urine calcium, parathormone, creatinine, phosphate, and magnesium levels at diagnosis and during treatment. They will also collect information about patient management and complications. This data collection will continue for about two years, helping to understand the conditions progression and treatment outcomes in the French population.