Explanation: An unqualified column name is. ambiguous if more than one table or view identified in. the FROM clause has a column with that name, or if. more than one column of a nested table expression has. that name.
The exact cause of clubfoot is unknown, but doctors agree that a family history of clubfoot increases the likelihood that a child will be born with the condition. In addition, mothers who smoke and drink during pregnancy are more likely to give birth to a child with a clubfoot or clubfeet.
Possible Causes of Swollen Hands and Feet. It is common for women to have swollen feet during pregnancy. Excessive or sudden swelling might be as a result of preeclampsia. This is a condition whereby protein and blood pressure in the uterine develop after 20 weeks into the pregnancy.