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Embryonic Heart Rate As a Determinant of First Trimester Pregnancy Success
The establishment of a normal range of embryonic heart rates in IVF pregnancies at seven weeks’ gestation in an Australian population: embryonic heart rate as a determinant of first trimester loss
An ultrasound between 6 and 7 weeks of pregnancy is used to confirm the presence of a live foetus; this information is important both for parents and also for IVF clinicians and scientists who constantly seek to improve pregnancy outcomes. This research project seeks to measure early embryonic heart rates between 6 and 7 weeks of pregnancy in singleton pregnancies and to correlate this with successful pregnancy at the 12 week ultrasound. The study will determine whether embryonic heart rates are useful in predicting the likelihood of first trimester loss, thereby allowing clinicians to better care for their patients.
Reference: McLennan A, Palma-Dias R, da Silva Costa F, Meagher S, Nisbet DL, Scott F. Noninvasive prenatal testing in routine clinical practice – An audit of NIPT and combined first-trimester screening in an unselected Australian population. Aust N Z J Obstet Gynaecol. 2016 Feb;56(1):22-8.