Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


Embryology/1st trimester OB review

What is the first organ to function within the embryo? The heart.
When are limb buds recognizable? By 6 weeks gestation.
In an 8 week old fetus, what structure can be visualized within the cranium? cystic rhomboid fossa
At what week of gestation should the umbilical herniation rotate and descend back in to the fetal abdomen? By week 11.
What is the most common occurrence of bleeding within the first trimester? Subchorionic hemorrhage.
What is the earliest intragestational sac anatomy seen? The yolk sac.
What is the double decidual sac sign? The interface between the decidua capsularis and the echogenic highly vascularized decidua on the opposite wall of the endometrial cavity.
What week can and IUP be visualized sonographically? Week 4
When does the fetal period begin? weeks 11 and 12
What structure secretes progesterone and estrogen in early pregnancy? The corpus luteum
What is another term for conceptual age? embryologic age
How many days after conception does implantation take place? 7-8 days
Where do the ovum and sperm usually unite? The ampulla of the tube.
When does the decidual reaction start to happen? right after implantation
What hormone does the trophoblastic cells secrete? HCG
At how many days after conception should a hCG blood test show up positive? 7-10 days
What is too little amniotic fluid? oligohydramnios
What is too much amniotic fluid? polyhydramnios
In early pregnancy what produces the amniotic fluid? placenta
Created by: mommy2bca