Article History
Received: 23 October 2019
Accepted: 1 February 2020
First Online: 20 February 2020
Compliance with ethical standards
:
: The principles of anonymity and voluntary participation were followed. The pregnant women also gave both verbal and written informed consent. Willingness to participate in the study and parental/guardian permission were confirmed by signing (fingerprint for illiterates) the informed consent sheet.
: The authors declare that they have no competing interests.