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.
If you answered no to this question, move on to the next test. If you answered yes, stop here. You are not entitled to claim the child as a dependent/exemption. (Note: This situation generally arises only when the child is married.).