Lesson 2C (Part 2)

Question 1

How long do most pregnancies last?

Answer 1

About 40 weeks from the LMP

- 280 days (+/- 2 weeks)

Question 2

LMP

Answer 2

Last menstrual period

Question 3

Gestation age

Answer 3

How far along the pregnancy is

Question 4

What is considered a premature birth?

Answer 4

Anything before 37 weeks

Question 5

How many weeks is the first trimester?

Answer 5

1-13 weeks

Question 6

How many weeks is the second trimester?

Answer 6

14-26 weeks

Question 7

How many weeks is the third trimester?

Answer 7

27 weeks till term

Question 8

What is the difference between gestational are and conceptual age? (2)

Answer 8

1. Gestational age = refers to the length of pregnancy after the first day of the LMP
2. Conceptual age = is the true fetal age and refers to the length of pregnancy from the time of conception

Question 9

What is the formula to find gestational age?

Answer 9

GA = conceptual age + 2 weeks

Question 10

Conceptus period

Answer 10

The 3rd to the 5th weeks since LMP

Question 11

Embryonic period

Answer 11

6th to end of 10th week since LMP

Question 12

What does the embryonic period involve?

Answer 12

The completion of organogenesis

Question 13

Organogenesis

Answer 13

Formation of organs

Question 14

When is the pregnancy referred to as a fetus?

Answer 14

After organogenesis has occurred

Question 15

EDD (2)

Answer 15

1. Estimated date of delivery

2. Expected due date

Question 16

EDC (2)

Answer 16

1. Estimated date of confinement

2. Expected date of confinement

Question 17

Naegeles rule

Answer 17

How to calculate the the due date

Question 18

What are the 2 ways for Naegeles rule?

Answer 18

1. Take the first day of LMP and add 7 days, subtract 3 months, and add one year
2. Add nine months and 7 days

Question 19

What is the due date if the LMP was May 5th 2018?

Answer 19

February 12th 2019

Question 20

What is the more common way now a days to determine the due date? (2)

Answer 20

1. Date wheel

2. Software on the US machine