This is a two-arm, prospective, longitudinal, randomized controlled trial (RCT) that will compare usual care to usual care plus a prenatally initiated, virtually administered psychological intervention, called HeartGPS.

This is a domain of the Building Optimal Strategies to Enhance Parent and Infant Wellbeing in CHD (BOND) platform trail. BOND is a randomized, multifactorial, adaptive platform trial that seeks to optimize parent wellbeing and infant development following prenatal or neonatal diagnosis of congenital heart disease (CHD). The primary objective of this domain is to determine the effects of a prenatally initiated, virtually administered mental health intervention, called HeartGPS, on maternal mental health and infant development following prenatal CHD diagnosis.

Both mothers and infants are study participants.

Inclusion Criteria:

1. Pregnant individual carrying a fetus diagnosed with CHD or biological mother of an infant diagnosed with CHD in the neonatal period.
2. Fetus or newborn with CHD anticipated to require cardiac surgery or transcatheter intervention in the first 30 days of life.
3. CHD diagnosis received between 16.0 and 30.0 weeks gestation.
4. Singleton pregnancy.
5. Pregnant mother is planning to continue the pregnancy and pursue surgical or transcatheter intervention for the infant.

5. Pregnant mother is able to participate and complete study assessments in English or Spanish.

Exclusion Criteria:

1. Mother, fetal, or infant medical condition determined by a treating clinician to be contraindicative to study participation.
2. Mother with a severe, untreated psychiatric condition, substance use disorder, or other circumstances that, in the opinion of the investigator, would interfere with engagement with study tasks or safe participation in the trial.
3. Mother with a moderate to severe intellectual disability or is otherwise unable to provide informed consent.
4. Postnatal diagnosis of CHD.
5. Fetus with a comorbid condition with a predictable and major impact on neurodevelopment (e.g., Trisomy 21, DiGeorge syndrome).
6. Pregnant individual is aged <18 years.
7. Pregnant individual is carrying a surrogate pregnancy.
8. Consented mother completes <70% of survey questions at first (baseline) assessment.

De-identified public use datasets with all study data will be created in accordance with NIH policy

Data will be shared as soon as possible, but no later than the time of an associated publication or the end of the grant period, whichever comes first. Data will be available for as long as it is deemed useful for the larger research community, as directed by the PHN NHLBI project officers.

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