Participant recruitment
bleeding, psychiatric
PRETERM DELIVERY, BLEEDING, MISCARRIAGE, DISORDERS
The study population consisted of all pregnant women of 14–32 weeks’ gestation referred to selected hospitals. It was performed in two educational and therapeutic centers affiliated with the Babol University of Medical Sciences in Iran between November 2020 and January 2022.The sample consisted of women meeting the eligibility criteria to enter the study during the trial. A total of 96 individuals who obtained the necessary scores based on the relevant questionnaires were enrolled through the convenience sampling method. Afterward, an independent midwife outside the research team randomly assigned samples into two intervention groups [SIT and VSIT], using the blocking method and computer-generated randomization [Inclusion criteria included the willingness to participate in the study, 14–32 weeks of gestation, obtaining a score higher than 0.5 based on the BSI-18 questionnaire, not attending similar classes, no severe psychiatric disorders [such as bipolar] based on self-report, the educational level of at least the third year of middle school, age over 16, and access to the Internet and WhatsApp messenger. Exclusion criteria included inactive and irregular attendance, unwillingness to continue attending meetings, a pregnancy accompanied by high-risk situations [such as bleeding, miscarriage, preterm delivery] and migration.