View full size image. How long a healthy pregnancy lasts can vary by as much as five weeks, even when doctors precisely determined the date of conception, a new study suggests.
Exemptions for dependents. You can usually claim an exemption for each of your dependents. A dependent is either your child or a relative who meets a set of tests. You can't claim your spouse as a dependent. You must list the Social Security number of each dependent you claim on your tax return.
However, you may not claim them as dependents if someone else has a superior claim. First, there are particular requirements to claim someone as a dependent child: You can receive a dependent exemption for each qualifying child, who could include: Your child, stepchild or foster child. Brother, sister, half brother, half sister, stepbrother, stepsister. Or a child or grandchild of any of these.