Posse is the infinitive of an irregular Latin verb meaning to be able. It can also be used as a noun meaning ability, power, potentiality.Two common phrases that use â¦ posse this way are a posse ad esse - from possibility to reality (literally .. . to being)posse comitatus - the power of the county.hen followed by a noun in the ablative case, the Latin preposition in means in or on.
A contraction stress test checks to see if your baby will stay healthy during contractions when you are in labor. This test includes external fetal heart monitoring . The test is done when you are 34 or more weeks pregnant. During a contraction, the blood and oxygen supply to your baby drops for a short time.
How the Test Is Done. The NST is safe for you and the baby. You'll lie down with two belts around your belly. One measures your baby's heartbeat and the other measures contractions. When you feel the baby kick or move, you may press a button so your doctor can see how the baby's heartbeat changed while moving.