Ultrasounds early paternity dating accuracy
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Your healthcare provider will use hormone levels in your blood, the date of your last menstrual period and, in some cases, results from an ultrasound to generate an estimated gestational age.
However, variations in each woman's cycle and each pregnancy may hinder the accuracy of the gestational age calculation.
If there are any questions regarding gestational age, placenta location, or possible complications then more ultrasounds may be scheduled.The viability of sperm varies as well, which means that intercourse three to five days prior to ovulation may result in conception.Ultrasound dating of conception is not reliable for determining paternity because the ultrasound can be off by at least 5-7 days in early pregnancy.Transvaginal scans may be used early in pregnancy to diagnose potential There is not a recommended number of ultrasounds that should be performed during routine prenatal care.Because ultrasound should only be used when medically indicated, many healthy pregnancies will not require ultrasound.