Well, be worried no more, it turns out you have the same chance of becoming pregnant just like any woman with two functioning ovaries. Why, because a woman does not need two ovaries to become pregnant. There are a few exceptions to this though, that can make conceiving more difficult.Read what these exceptions are and more on this subject, from the following article.
http://www.wisegeek.com/can-you-get-pregnant-with-one-ovary.htm From the article: "A woman with one ovary usually has the same chance of getting pregnant as a woman with two. There are a few exceptions that can make getting pregnant more difficult. The remaining ovarymust be attached to the remaining fallopian tube. If only an ovary and the opposite fallopian tube exist, it is much more likely that during ovulation , an egg will not pass down the fallopian tube. One with a single ovary and a single fallopian tube that are not on the same side is also at higher risk for tubal pregnancies.If the fallopian tube and remaining ovary are both on the same side, another thing to look for is a regular period. If a woman continues to menstruate on a regular basis, this tends to be a good sign that the woman is ovulating and can get pregnant. Conversely, if periods are irregular or have stopped altogether this may signify that no ovulation is occurring, or that it is occurring on a very infrequent basis."