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.
Another person can claim an exemption for you as a dependent on his or her tax return. You cannot take the deduction even if the other person does not actually claim that exemption. Your modified adjusted gross income (MAGI) is more than $80,000 ($160,000 if filing a joint return).