Economic considerations
EARLY PREGNANCY
Blended interventions together with face-to-face and mHealth were considered as a relatively low-cost, efficacious delivery of behavior change programs. During early pregnancy, the usual prenatal care visits are infrequent, so it’s a good time to add mHealth sessions between the prenatal care visits.WeChat is one free application of the most popular social media platforms released in 2011 by Tencent. WeChat offers sharing moments, mobile payment, small programs, public accounts, free phone calls, and instant messaging with text, pictures, or videos, not only person-to-person but also group discussions. With its convenience and various services, WeChat has become the most prevalent social networking platform in China [