Table II.

Responses of 92 mtDNA mutation carriers.

Question	Respondents (n)	Response
		Yes	No
Childbearing category (n = 45)
A. For women who are of childbearing age: Have you ever thought about NOT having a child because you were concerned about passing an mtDNA mutation to them?	45	35 (78%)	10 (22%)
All carriers (n = 92)
For women who had children before knowing they carried or were at risk of carrying an mtDNA mutation: Would you have thought about NOT having children because you were concerned about passing an mtDNA mutation to them	51	37 (73%)	14 (22%)
Are you someone who did not/do not plan on having children regardless of your mtDNA carrier status?	92	7 (8%)	85 (92%)
Do you think that the project described above is important and worthwhile?	92	87 (95%)	5 (5%)
Are you interested in becoming an egg donor? You would receive hormone injections then have an outpatient procedure to obtain the eggs	92	22 (24%)	70 (76%)
Carriers considering having children (n = 21)
How important is it that your children are your biological offspring?	Very important N = 11 (52%) Somewhat important N = 9 (43%) Not important N = 1 (5%)
Would you be interested in using this technology to try to have a child?	Yes- 19 (90%) No- 2 (10%)
Would you be interested in allowing your eggs to be used for basic laboratory research in the process of developing an implantable zygote (fertilized egg)?	Yes- 16 (76%) No- 5 (24%)