The heartbeat is seen as a regular flutter in the embryo first evident at about ____ to _____ weeks.
Cardiac activity can be noted adjacent to the _________ __________
Care must be taken not to mistake maternal _______________ pulsations as fetal cardiac activity.
At about 6 weeks the fetal heart rate should be about ______-______ bpm
At about 8-9 weeks the fetal heart rate should be about _______ bpm
At about 14 weeks the fetal heart rate should be about _____ bpm
For the remainder of pregnancy after 14 weeks, the average fetal heart rate is between _________ and _________ bpm.
Fetal poleThe embryonic period is between ____- ____ weeks.
Sonographic detectionEndovaginally, the embryo is usually detected by ____weeks, and it is approximately ____ mm.
The fetal ______ is the first organ to function with development completed by the end of the ____th week.
The ____________ is initially seen as a thin linear structure adjacent to the yolk sac.
The crown rump length is measurable to _____ weeks and is considered to be the most accurate dating (+/- three days) during the first trimester. It is measured from the top of the ________ to the bottom of the ________ excluding the legs.