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 can claim a person as a dependent, that person canât claim a personal exemption on his or her own tax return. 2  This is true even if you donât actually claim that person as a dependent on your tax return. 3  The rule applies because you have to right to claim that person. 4  Exemption phase-out. You generally may not claim married persons as dependents if they file a joint return with their spouse. 2  There are some exceptions to this rule. 3  Dependents may have to file. 4  People that you can claim as your dependent may have to file their own federal tax return.