A: The gestational age of the pregnancy, how far the pregnancy is along, can be determined accurately early in pregnancy by ultrasound measurements of the gestational sac diameter or the length of the fetal pole (CRL) in order to determine gestational age.
1 The parents are able but unwilling to provide their information. 2  The parents are living in another country. 3  The parents refuse to contribute to the studentâs education. 4  The parents do not claim the student as a dependent for income tax purposes.
The tax rules allow you to claim a dependency exemption for a child if they reside with you for more than half the year, donât provide more than half of their own financial support, and are under the age of 19 at all times during the tax year, or under 24 if a full-time student.