Refine content and delivery of the mHealth delivered lifestyle intervention program through iterative testing with small groups of users who provide feedback through on-line asynchronous focus groups.

Participants are asked to:

• Use mobile app for 4 weeks
• Receive support from the lifestyle coach
• Provide weekly and ongoing feedback via an online asynchronous user group platform on usability, navigability, acceptability, and satisfaction.

Inclusion Criteria:

• Age 18-45

• Body Mass Index (BMI): 25 - 45 kg/m2

• Positive history of one or more of the following complications in most recent singleton pregnancy:

  1. Gestational diabetes mellitus
  2. Preeclampsia (high blood pressure and proteinuria diagnosed after 20 weeks gestation)
  3. Gestational hypertension (new hypertension diagnosed after 20 weeks without proteinuria)
  4. Pre-term delivery (32-37 weeks)
  5. Small for gestational age (<10th percentile for gestational age)

• Able to communicate in English

• Access to and be willing to use a wi-fi enabled iPhone or iPod

• Access to a computer with internet access

• Capable of providing informed consent

• Between 4 weeks and 24 weeks after delivery

Exclusion Criteria:

• Personal history of Type 1 or 2 diabetes
• Personal history of breast cancer or any other type of cancer other than a basal cell skin cancer;
• Personal history of major chronic illness including cardiovascular disease (coronary artery disease, congestive heart failure, valvular heart disease, stroke, transient ischemic attack, or intermittent claudication), kidney disease, liver disease, venous or arterial thromboembolic disease, adrenal insufficiency, depression requiring hospitalization within the past 6 months, or non-pregnancy related illness requiring overnight hospitalization in the past 6 months;
• Underlying disease/treatment that might interfere with participation in/completion of the study (e.g. significant gastrointestinal conditions, major psychiatric disorders, and others at the discretion of the study clinician)

Potential participants will be identified via the Perinatal Clinical & Translational Research Center (CTRC) at the University of Colorado at Anschutz Medical Campus.