Final answer:
Nagele's rule is a method used to estimate a client's expected date of birth during pregnancy. It calculates the due date by subtracting three months and adding 7 days to the first day of the client's last menstrual period.
Step-by-step explanation:
Nagele's rule is a method used to estimate a client's expected date of birth during pregnancy. It calculates the due date by subtracting three months and adding 7 days to the first day of the client's last menstrual period. For example, if the last menstrual period was on January 1st, the expected due date would be October 8th.
It is important to note that Nagele's rule is an estimation and may not be accurate for every client. It is commonly used as a starting point for determining the due date and may be adjusted based on other factors such as ultrasound measurements.
Therefore, Nagele's rule is not calculated by measuring the fundal height, counting contractions, assessing fetal heart rate, or determining amniotic fluid levels.