Edmunds began teaching at BYU as a nursing instructor in 1965. She taught until 1970. She left BYU to become the nursing supervisor and instructor at the Utah Valley Hospital, where she worked from 1970 to 1972. Following that position, she became the coordinator of health missionaries for the LDS Church.
Church service
Missions
Edmunds has served multiple missions for the LDS Church. From 1962 through 1964, she served in the Southern Far East Mission, which included four months in Taiwan, five months in Hong Kong, and 15 months in the Philippines. She was one of the first two female missionaries of the LDS Church to be sent to the Philippines. She later returned as the first health missionary to the Philippines Manila Mission. From 1972 to 1973, she was called to serve in Indonesia as a welfare services missionary, and was also the first female Mormon missionary there.
Missionary Training Center and Relief Society
Edmunds was called in 1978 to be the Associate Director of Special Training at the Missionary Training Center in Provo, Utah. She was called to be the Director of Training that same year. She helped oversee the training of all Asian-language and welfare missionaries. She retired from that position in September 1995. During that time, she also worked as the Coordinator of Health Missionaries for the church from 1973 to 1975. Edmunds worked as the director of Thrasher International Program for Children, a health initiative in Nigeria in 1984. She had planned on being in Nigeria for three years, but had to return home early due to illness. After returning from Nigeria, Edmunds was a member of the Relief Society General Board from 1986 to 1997.
Author and public speaker
Edmunds has written a number of books. She has been an instructor at Education Week at BYU in Provo, Idaho, and Hawaii. She has also participated in Especially for Youth programs. Many of her books are inspirational and filled with her suggestions on how to live a happier life. She incorporates stories from her mission and adds touches of humor. Her published works include:
Edmunds received the Alumni Distinguished Service Award from BYU in 1982 to honor her accomplishments. From that university she also received the Exemplary Womanhood Award in 1984 and the Humanitarian Award in 1986. She was made Elect Lady in 1989 by Lambda Delta Sigma, the national woman's sorority. She was also awarded the Presidential Citation by BYU in 1994. In 2005, the Mary Ellen Edmunds Nursing Endowment for the Healer's Art was made by the BYU College of Nursing to commemorate her.