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.
Exemptions for Dependents You are allowed one exemption for each person you can claim as a dependent. You can claim an exemption for a dependent even if your dependent files a return. The issue now becomes determining if your son is your dependent for tax purposes. Here is a summary of the rules for determining if you can claim a dependent (also taken from publication 501):