Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Hidayah, Nurul, Indriani, Susan, AND Rahmatika, Farida. "The Corona virus disease (COVID-19) in Pregnant Women : Analyzing References of Infection Mechanism and The Effect of Treatment in Pregnancy" Essential: Essence of Scientific Medical Journal [Online], Volume 19 Number 1 (1 August 2021)