In this group, the research nurse obtained a detailed dietary and exercise
history of the participants upon enrollment, initial individual advices
were given on each subject of dietary, exercise and weight gain
followed with four sessions in the second trimesters, as described
below. In addition, each session in the second trimesters included an individual
component where women received personalized feedbacks on
their dietary and exercise habits based on 5-day-records.Women in this
group also received weekly phone call (five to ten minute) or short text
message between antenatal visits on different topics such as: recording
of weight gain; encouraging goal setting; reinforcing positive lifestyle
change; promoting self-monitoring. Through out the implementation
of the plan that offered in this study, participants were encouraged to
identify barriers and used the barriers to assist them to problem solving
and to developing strategies in order to achieve their successful implementation
of lifestyle change.