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    Home»pregnancy calculator»Online Gestational age Calculator: Calculate Estimated Date of Delivery (EDD)
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    Online Gestational age Calculator: Calculate Estimated Date of Delivery (EDD)

    By Sharon Olabanji2019-10-11Updated:2019-11-14No Comments3 Mins Read
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    Gestational age Calculator
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    Gestational age is the number of weeks the pregnancy lasts or the age of the pregnancy. Use this free Gestational age Calculator online, to find your gestational age. In other words, it is the number of weeks a baby has been in the uterus. It can also be termed as AOG and is calculated with the women’s last menstrual period and cycle length.

     

    In this article hide
    1 Calculating Gestational Age
    2 Last Menstrual Period
    2.1 Ultrasound
    3 Calculating Conception Date
    4 In a Typical Pregnancy
    5 Difficulties in Determining the Gestational Age
    5.1 RELATED PREGNANCY CALCULATORS:

    Calculating Gestational Age

    Last Menstrual Period

    If the woman has a normal cycle and knows the first day of her last menstrual period, it is possible to calculate the gestational age from that date. Gestational age is measured, not from the date of conception, from the first day of the last menstrual period of the mother.

    Ultrasound

    The baby can be measured after the last menstrual period of the mother as early as 5 or 6 weeks. Measuring the baby with ultrasound in early pregnancy is most reliable. Later in pregnancy, it becomes less accurate. Between the 8th and 18th weeks of pregnancy, the best time to predict gestational age using ultrasound.

    The most reliable way to determine gestational age is to use the first day of the last menstrual period of the female and verify this gestational age with the ultrasound test calculation.

    • RELATED: Top 5 delicious warming folate foods for pregnant women

    Calculating Conception Date

    In a Typical Pregnancy

    Conception typically occurs between 11-21 days after the first day of the last period for a woman with a regular menstrual period. Most women don't know the exact date of conception because knowing exactly when ovulation happens can be difficult. Thus, their date of conception is simply an estimate based on their last period's first day.

    Special Cases

    See also  Acid Reflux during Pregnancy and Effective Natural Based Remedies

    Women performing special procedures, such as artificial insemination or in vitro fertilization, usually know the exact conception date.

    Calculating Due Date:

    Estimated Due Date

    The estimated due date is 40 weeks from the first day of the year, depending on the last menstrual period. This is just an estimation since only about 5 percent of babies are born.

    Difficulties in Determining the Gestational Age

    Last Menstrual Period

    It can be difficult to determine gestational age using this approach for women who have regular menstrual periods and women who can not recall the first day of their last menstrual period. In these situations, the determination of gestational age also involves an ultrasound test.

    Baby’s Growth

    Determining the gestational age is difficult in some situations because the child is exceptionally large or small. Also, in some cases, early pregnancy uterine size and later pregnancy uterine height does not suit the first day of the last menstrual period. It is also difficult to obtain a specific gestational age in these instances.

    RELATED PREGNANCY CALCULATORS:

    • Pregnancy Due date calculator
    • Online Pregnancy Weight Gain Calculator
    • Pregnancy Gestational Diabetes Diet Calculator(Opens in a new browser tab)
    • Online Gestational age Calculator: Calculate Estimated Date of Delivery (EDD
    • Ultrasound gestation age calculator
    • The safe days calculator: calculate the safe period or infertile period
    • Week-by-week pregnancy calculator based on the due date
    • Home pregnancy test - What is it, and how to do it accurately?
    • Ovulation Calendar Calculator
    Gestational age Calculator Pregnancy
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    Avatar of Sharon Olabanji
    Sharon Olabanji
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    Sharon Marie olabanji RN, CHO, Founder and CEO of Pregnancyvitamins, has a background in community health, nursing, and nutrition. As a mom of two, I do thorough research and I decide to take good care of myself and tackle health problems during pregnancy and after delivery. Bornfertilelady.com is the culmination of her thousands of hours of research and all posts are medically reviewed and verified by the research team.

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