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.
You can claim one exemption for each dependent. A dependent exemption is technically different from a tax deduction for dependents, because an exemption is subtracted from your adjusted gross income before your taxable income is calculated (after that, tax deductions are subtracted from your taxable income).ou can claim a person as your dependent if all 3 of these statements are true: They are a U.S. citizen, U.S. national, resident alien, or resident of Canada or Mexico. There is an exception for legally adopted children.