Use of Pregnancy Calendar Wheel

Most obstetricians are familiar with the pregnancy calender wheel (Figure 8.1). It helps estimate the EDD based on the LMP or dating scan.

Do not be too worried if you have irregular periods or cannot recall your LMP. The most accurate dating is from

DID YOU KNOW?

• Your baby's heart can be seen after 6 weeks of LMP.

• At this stage, the baby's length is now 4 mm. The embryonic period starts and your baby's organs start to form.

• Hair begins to sprout by then.

• Brain waves can also be detected.

• Your baby's heart can be seen after 6 weeks of LMP.

• At this stage, the baby's length is now 4 mm. The embryonic period starts and your baby's organs start to form.

• Hair begins to sprout by then.

• Brain waves can also be detected.

first trimester ultrasound measurement of your baby's size. Thus, see your obstetrician early in the first 12 weeks of your pregnancy in order to get an accurate due date.

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  • Michael
    How to use lmp wheel for dating pregnancy?
    8 years ago

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