Engagement culture is very common in our society, especially in the Pandalungan community. Through engagement can trigger early marriage for both brides. For prospective brides, if it is still too early, generally they get married after graduating elementary school, around the age of 12-13 years, then pregnancy occurs, then this can lead to the next problem. Often expectant mothers are pregnant and too young. They will have a high risk of being unable to give birth normally and safely. Many high-risk birth events trigger the death of both the mother and the baby. Through social capital analysis, this research explores the details of the problem of maternal and infant mortality rates, where there are norms, trust and networks formed in the engagement culture of the Pandalungan community in Jember.