Polysomnography is used to diagnose, or rule out, many types of sleep disorders including narcolepsy, idiopathic hypersomnia, periodic limb movement disorder (PLMD), REM behavior disorder, parasomnias, and sleep apnea.
Calculating Due Date: Estimated Due Date. Based on the last menstrual period, the estimated due date is 40 weeks from the first day of the period. This is just an estimate since only about 5% of babies are born on their estimated due date.
This is a faster way to know your due date. Many doctors follow this pregnancy calculator. It takes into account the first day of your last period along with the standard gestation time. If you know this date, simply count three months back from your date and add 7 days to this.You will get your due date.any doctors follow this pregnancy calculator. It takes into account the first day of your last period along with the standard gestation time. If you know this date, simply count three months back from your date and add 7 days to this. You will get your due date.