<p>This is not really similar to using an anonymous sperm donor. </p>
<p>When you use a sperm donor, you will be required to PROVE that that is how you got pregnant. Sperm banks are familiar with this issue and will write a letter basically saying that they inseminated, or provided it for you, and that the other “parent” is not required to be identified and is not responsible for any costs associated with your child. </p>
<p>Colleges will not accept the mothers word. They asked for proof.</p>