What is persistent op position?

What is persistent op position?

Persistent occiput posterior position is defined by the fetal head being in a posterior position during the second stage of labor, whatever the mode of delivery. 1. The incidence of delivery in the occiput posterior position varies from 5% to 12%.

What does op mean in birth?

Occiput Posterior (OP) Expand Section. In occiput posterior position, your baby’s head is down, but it is facing the mother’s front instead of her back. It is safe to deliver a baby facing this way. But it is harder for the baby to get through the pelvis.

What is persistent occiput posterior?

DEFINITION. Persistent OP is when the occiput remains in the posterior quadrants of the pelvis until delivery, whether that delivery is spontaneous or indicated for a nonreassuring fetal status or arrest of descent in the second stage.

What are the possible outcomes of Occipito posterior position?

The primary outcome will be operative delivery (defined as vacuum, forceps and/or caesarean section deliveries). Secondary outcomes will be caesarean section, significant maternal mortality/morbidity and significant perinatal mortality/morbidity.

Why cephalic presentation is most common?

Factors that influence this positioning include the gestational age (earlier in gestation breech presentations are more common as the head is relatively bigger), size of the head, malformations, amount of amniotic fluid, presence of multiple gestations, presence of tumors, and others.

How common is op birth?

The occipito-posterior (OP) fetal head position during the first stage of labour occurs in 10-34% of cephalic presentations. Most will spontaneous rotate in anterior position before delivery, but 5-8% of all births will persist in OP position for the third stage of labour.

How do I know if my baby has an OA or OP?

Another sign of the OP position is a dip around your belly button instead of it poking out. If your baby is head down and facing your back (OA position), you’ll probably feel kicks under your ribs. You’ll also be able to feel the hard, rounded surface of your baby’s back, which will be on one side of your belly.

Why is occiput posterior bad?

The posterior position at birth is associated with a higher risk of short-term complications for the baby, such as lower five-minute Apgar scores, a greater likelihood of needing to be admitted to the neonatal intensive care unit (NICU), and a longer hospital stay.

Is op or OA better?

The best position for delivery is occiput anterior (OA), or “face-down.” This is also referred to as cephalic presentation. This is when baby is in a head-down position and the body is facing mom’s back. In this position, it is easier for the baby’s back to curl and chin to tuck as it travels through the pelvis.

How common is posterior birth?

While as many as 34 percent of babies are posterior when labor starts, only 5 to 8 percent of them are posterior at birth. It’s common for a baby’s position to change during labor, often more than once. Most babies rotate on their own to the face-down position before birth.

What are the chances of spontaneous delivery with persistent occiput posterior position?

In our population, the chances that a laboring woman with persistent occiput posterior position will have a spontaneous vaginal delivery are only 26% for nulliparas and 57% for multiparas. Apgar Score Body Height Cesarean Section Cohort Studies

How does a posterior presentation affect labor?

With a posterior presentation, labor may or may not be significantly affected. There is a spectrum of possibilities with a posterior baby. Some women will not know they had a posterior baby because no one mentions it. Either the providers didn’t know, or didn’t notice.

Are you more likely to have a baby in the op position?

You’re more likely to have a baby in the OP position at delivery if: This is your first baby. You’re 35 years of age or older. You’re obese. You’re African-American. You’ve had a previous OP delivery. You have a small pelvic outlet. You’re 41 weeks or more.

How is persistent occiput posterior (op) diagnosed?

Continuing medical education for this article is available at http://links.lww.com/AOG/A604. Persistent occiput posterior (OP) is associated with increased rates of maternal and newborn morbidity. Its diagnosis by physical examination is challenging but is improved with bedside ultrasonography.