Inclusion Criteria:  Pregnant women who receive care in the 6 CESFAMs of El Bosque and Aconcagua Valley over 18 years of age; pregnant women with gestational age ≤ 12 weeks of gestation (first trimester) Pregnant women with a single pregnancy Healthy pregnant women Chilean or immigrant women who speak Spanish The participants must have a mobile device that allows the use of the Telegram application Pregnant women who agree to be randomized Pregnant women who have voluntarily signed the informed consent to participate in this study  Exclusion Criteria:  A multiple pregnancy Conditions that require a special diet Participants with psychiatric illness or other pre-pregnancy pathology History of recurrent abortions