A 20 - year - old G1P0 client comes to the prenatal clinic for her first prenatal visit on October 8, 2010. The client informs the midwife that her last menstrual period was on July 18, 2010. Based on Nagele’s rule, which of the following data entries for the client is most accurate?
Explanation
Answer: C - The client’s expected date of birth is on April 25, 2011, the estimated date of conception is on August 1, 2010, and the estimated fetal age is 9 weeks and 5 days on October 8, 2010. Nagele’s rule is the standard method for calculating the expected date of birth. It is obtained by adding a year to the date of the last menstrual period, counting back 3 months, and adding seven days. The estimated date of conception usually occurs 2 weeks after the LMP. The estimated fetal age is the amount time between the estimated date of conception and the date of the prenatal visit. Gestational age from the amount of time between the LMP and the prenatal visit.
