gestational age vs fetal age

Calculating the day your baby begins to develop and keeping track of your pregnancy dates can be a challenge. Fetal Age 35 to 36 weeks : The fetus is now considered to be early term. Gestational Age 37 to 38 weeks ( 8.5 to 8.7 months). Pregnancy is also divided into trimesters which last about 12 – 14 weeks each. Fetal development varies in different trimesters and therefore gestational age and fetal age should be related to the growth of the fetus. The fetal age is another term that refers to the actual age of the baby starting at the time of conception. Thus, a full-term pregnancy would be 40 weeks long. It’s easy to get confused between fetal age and gestational age, but here’s the big difference. Gestational age is the number of weeks that have passed since the first day of a woman's last normal menstrual period. Gestational age is basically the age of your pregnancy starting from your LMP, whereas fetal age is the actual age of the growing fetus or baby inside you, and is calculated from the date of conception. Gestational age assessment by ultrasonography in the first part of the second trimester (between 14 0/7 weeks and 21 6/7 weeks of gestation, inclusive) is based on a composite of fetal biometric measurements and has an accuracy of 7–10 days 19 20 21 22. The reason healthcare providers do it that way is that it’s important to have concrete dates to determine when certain tests are done during the pregnancy. Such methods include adding 14 days to a known duration since fertilization (as is possible in in vitro fertilization), or by obstetric ultrasonography. Hoping this community can help share some thoughts or similar experiences before I give the clinic a call. Gestational age is the age of the pregnancy from the last normal menstrual period (LMP). Gestational age (completed weeks): time elapsed between the first day of the last menstrual period and the day of delivery. If pregnancy was achieved using assisted reproductive technology, gestational age is calculated by adding 2 weeks to the conceptional age. Gestational age should match the height of the fundus and this is confirmed by ultrasound. Gestational age vs Fetal age. Gestational age is a measure of the age of a pregnancy which is taken from the beginning of the woman's last menstrual period (LMP), or the corresponding age of the gestation as estimated by a more accurate method if available. The average 37 week fetus is 19.1 inches ( 48.9 cm) long and weighs 6.7 pounds (3028 grams) The average 38 week fetus is 19.5 … Gestational Age = Fetal age + 2 weeks; Fetal Age = Gestational age-2 weeks. So if the gestational age is 8 weeks then fetal age is 6 weeks. Skip to the last paragraph for my question if the second paragraph is too long! Confused about gestational age vs fetal age at US. Fetal age is the actual age of the growing baby. Chronological age (days, weeks, months, or years): time elapsed from birth. Fetal age and Gestational age. I may have to say goodbye, but I'm feeling confused. So typically, fetal age is going to be two weeks less than gestational age. Why to Know these Ages? Most references to pregnancy are usually in gestational age rather than fetal age development. Content Warning. calculate the length of a pregnancy by gestational age. 'M feeling confused a pregnancy by gestational age should match the height of the fundus and this is by. A call was achieved using assisted reproductive technology, gestational age = gestational age-2 weeks age 35 to weeks. Weeks then fetal age is 8 weeks then fetal age is the age of the fetus is now considered be! I give the clinic a call ): time elapsed from birth be related to the age. 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