Saw Sa served on the executive committee of the All-Burma Baptist Woman's Missionary Society, when it formed in 1926.[1] In 1927, she served on the Burma Local Committee of the seventh congress of the Far Eastern Association Of Tropical Medicine.[16] In 1934, she spoke in favor of married women's suffrage in Burma, at the Women's Freedom League Club in London,[17] and while she was a delegate at meetings about Burma's administrative separation from India under British colonial rule.[18][19] "We claim wifehood franchise for the wives of all men who vote on other qualifications," she declared, adding "On the principle of equal status with men, we are not at all in favour of having seats reserved for women."[20] In 1937, Saw Sa was elected to the upper house of the Burmese Senate, its first woman legislator.[7][21]