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.
1 If you are a dependent, you may not claim an exemption. 2  If someone else â such as your parent â claims you as a dependent, you may not claim your personal exemption on your own tax return. 3  Some people cannot be claimed as your dependent.