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 Exemptions for dependents. 2  You generally can take an exemption for each of your dependents. 3  A dependent is your qualifying child or qualifying relative. 4  You must list the social security number of any dependent for whom you claim an exemption.