Funding for this research was provided by:
National Institute of Mental Health (R01MH111391)
Church of Sweden
Received: 11 March 2020
Accepted: 28 August 2020
First Online: 17 September 2020
Ethics approval and consent to participate
: Permission to recruit pregnant women at health facilities was granted by the Eastern Cape Department of Health through the Office of Epidemiological Research and Surveillance Management and ethics approval was granted by Health Research Ethics Committee at Stellenbosch University, N14/03/019. Informed consent had been obtained from participants. All participants signed a written informed consent form. Participants under the age of 18 had a parent or guardian sign a written informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.