In 1929 the Kenya Missionary Council began referring to FGM as the "sexual mutilation of women", and a persons stance toward the practice became a test of loyalty, either to the Christian churches or to the Kikuyu Central Association. The stand-off turned FGM into a focal point of the Kenyan independence movement; the 1929–1931 period is known in the countrys historiography as the female circumcision controversy. When Hulda Stumpf, an American missionary who opposed FGM in the girls school she helped to run, was murdered in 1930, Edward Grigg, the governor of Kenya, told the British Colonial Office that the killer had tried to circumcise her.There was some opposition from Kenyan women themselves. At the mission in Tumutumu, Karatina, where Marion Scott Stevenson worked, a group calling themselves Ngo ya Tuiritu ("Shield of Young Girls"), the membership of which included Raheli Warigia (mother of Gakaara wa Wanjaũ), wrote to the Local Native Council of South Nyeri on 25 December 1931: "[W]e of the Ngo ya Tuiritu heard that there are men who talk of female circumcision, and we get astonished because they (men) do not give birth and feel the pain and even some die and even others become infertile, and the main cause is circumcision. Because of that, the issue of circumcision should not be forced. People are caught like sheep; one should be allowed to cut her own way of either agreeing to be circumcised or not without being dictated on ones own body. "Elsewhere, support for the practice from women was strong.
Age, ethnicity
FGM is not invariably a rite of passage between childhood and adulthood but is often performed on much younger children. Girls are most commonly cut shortly after birth to age 15. In half the countries for which national figures were available in 2000–2010, most girls had been cut by age five. Over 80 percent (of those cut) are cut before the age of five in Nigeria, Mali, Eritrea, Ghana and Mauritania. The 1997 Demographic and Health Survey in Yemen found that 76 percent of girls had been cut within two weeks of birth. The percentage is reversed in Somalia, Egypt, Chad, and the Central African Republic, where over 80 percent (of those cut) are cut between five and 14. Just as the type of FGM is often linked to ethnicity, so is the mean age. In Kenya, for example, the Kisi cut around age 10 and the Kamba at 16.A countrys national prevalence often reflects a high sub-national prevalence among certain ethnicities, rather than a widespread practice. In Iraq, for example, FGM is found mostly among the Kurds in Erbil (58 percent prevalence within age group 15–49, as of 2011), Sulaymaniyah (54 percent) and Kirkuk (20 percent), giving the country a national prevalence of eight percent. The practice is sometimes an ethnic marker, but it may differ along national lines. For example, in the northeastern regions of Ethiopia and Kenya, which share a border with Somalia, the Somali people practise FGM at around the same rate as they do in Somalia.