Embryology
When does fertilization occur?
When the sperm enters the ovum
what is the first structure we should see within the gestational sac?
Yolk Sac
What is the max diameter of the normal Yolk Sac?
5-6mm
What are the name of the cells...that secrete hCG which triggers pregnancy response in the female body
Trophoblastic Cells
How many mm does the normal GS grow a day?
1mm
What is the name of the Fertilized egg?
Zygote
What is the normal embryonic-fetal heart rate during pregnancy?
120-180bpm
What is the name of the measurement we use to measure the embryo?
CRL= Crown Rump Length
BhCG at 1500 miu/ml should see a gestational sac, TV or TA?
TV
With a BhCG level of 3000 miu/ml, what should we seen with Transabdominal ultrasound?
Gestational Sac
The Blastocyst contains trophoblastic cells and an "inner cell mass" which forms what?
The Embryo
How do we measure the Yolk Sac?
Inner to Inner
A calcified yolk sac could represent what?
Fetal Demise
True or False....Ectopic pregnancy will have a LOW hCG level?
TRUE, LOW !!
What gestational week will normal mid-gut herniation occur?
8-11 weeks
Fertilization occurs within what region of the female pelvis?
Fallopian Tube
what is the first organ to function within the embryo?
heart
If a yolk sac is NOT seen within a gestational sac.. what must we look for?
Ectopic Pregnancy
With a normal IUP <7weeks, how often should the BhCH double?
every 48 hours
what does UPT, stand for?
UPT: Urinary Pregnancy Test
what is the term used to describe the time of implantation until the end of the 12th gestational week?
Embryo
How many measurement do we use to measure the Gestational Sac? and what are they?
3.... Sag: Length+ AP (H)...TX: Width
During embryonic development,What is the first primary route of exchange between the embryo and the mother?
The Primary Yolk Sac
What is the name of the blood test that checks for insulin like growth factor produced by trophoblastic/ placenta cells involved with bone and tissue formation?
PAPP-A.. Pregnancy Associated Plasma Protein
What do we use to document the embryonic heart motion?
M Mode