If the the child was conceive in the first two weeks of December when would be the due date?

If a child was conceived in the first two weeks of December, the estimated due date would be around September 6 to September 13 of the following year. This is based on a typical pregnancy duration of about 40 weeks from the first day of the last menstrual period. However, due dates can vary, so it's always best to consult with a healthcare provider for a more accurate estimate.