Sub-Saharan Africa has the highest maternal mortality rate, with an estimated 545 deaths per 100,000 live births.

Hemorrhage is the leading cause of maternal death worldwide, accounting for approximately 27% of all maternal deaths.

Poverty is the most strongly associated factor with child mortality, as it limits access to adequate nutrition, healthcare, and sanitation.

Pneumonia is the leading cause of death among children under the age of 5, accounting for an estimated 1.4 million deaths each year.

Sub-Saharan Africa has the highest child mortality rate, with an estimated 76 deaths per 1,000 live births.

The MDG related to maternal health is to reduce maternal mortality by 75% between 1990 and 2015.

The MDG related to child health is to reduce child mortality by two-thirds between 1990 and 2015.

The Global Strategy for Women's and Children's Health is a global initiative to improve the health of women and children, with a focus on reducing maternal and child mortality and improving reproductive health.

The Every Woman Every Child movement is a global movement to end preventable maternal and child deaths, with a focus on improving access to quality healthcare and promoting the rights of women and children.

The main challenges to improving maternal and child health worldwide include poverty, lack of access to healthcare, malnutrition, cultural barriers and gender inequality, and weak health systems and lack of trained healthcare workers.

Key interventions to improve maternal and child health include investing in maternal and child health programs, improving access to quality healthcare, promoting the rights of women and children, and empowering women and girls.

Education can help women make informed decisions about their health and the health of their children, access better healthcare services, earn more money and improve their socioeconomic status, which can lead to better health outcomes for themselves and their children.

Men can help support their wives and partners during pregnancy and childbirth, help care for their children and share the responsibility of childcare, and promote gender equality and challenge harmful gender norms.

Communities can help support pregnant women and new mothers, provide childcare and early childhood education, and promote healthy behaviors and lifestyles.

Governments can invest in maternal and child health programs, improve access to quality healthcare, and promote the rights of women and children.