What is the term for the WBC’s ability to leave the blood vessel?

Management of the birth of twins is often made difficult by:

A) rapid succession of the births. B) one infant presenting vertex and the other breech. C) the infants sharing the placenta. D) low birth weight of both infants.

Women considering pregnancy should take ________ supplements because the neural tube develops in the first few weeks and it may be too late to reduce the risk of NTD by the time the woman finds out she is pregnant

Fill in the blank(s) with correct word