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.
To qualify for an exemption your dependent can NOT: â¢ file a joint return with a spouse. Note: This means that a taxpayer is allowed to claim a married dependent as an exemption if all other four tests are met and the dependent uses the married filing separately status.