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Osmotic dilators are most commonly used to slowly dilate and soften the cervix prior to surgical abortion, a process referred to as cervical preparation. Adequate cervical preparation is important prior to surgical abortions because it helps to prevent complications of dilation and evacuation (D&E), such as laceration of the cervix. [5]
In the later stages of pregnancy, the cervix may already have opened up to 1–3 cm (or more in rarer circumstances), but during labor, repeated uterine contractions lead to further widening of the cervix to about 6 centimeters. From that point, pressure from the presenting part (head in vertex births or bottom in breech births), along with ...
Prostaglandin E 2 (PGE 2) is used to induce labor and should not be used in people that are contraindicated to give birth vaginally or spontaneous labor. [25] PGE 2 should not be used in people with allergies to prostaglandins or any components in the drugs formulations. [4] PGE 2 should be stopped before other oxytocic agents like oxytocin are ...
Cervical effacement or cervical ripening refers to the thinning and shortening of the cervix. This process occurs during labor to prepare the cervix for dilation to allow the fetus to pass through the vagina. While this is a normal, physiological process that occurs at the later end of pregnancy, it can also be induced through medications and ...
Labor induction is the procedure where a medical professional starts the process of labor (giving birth) instead of letting it start on its own. Labor may be induced (started) if the health of the mother or the baby is at risk. Induction of labor can be accomplished with pharmaceutical or non-pharmaceutical methods. [1]
Osmotic dilators, natural or synthetic rods that absorb moisture from the cervix, are placed in the cervix and mechanically dilate the cervix over the course of hours to days. Misoprostol can be used to soften the cervix further. Intact D&E can only be performed with 2–5 centimeters of cervical dilation. [5]
Birth is termed whelping in dogs. [12] Among dogs, as whelping approaches, contractions become more frequent. Labour in the bitch can be divided into 3 stages. The first stage is when the cervix dilates, causing discomfort and restlessness in the dog. Common signs of this stage are panting, fasting, and/or vomiting. This may last up to 12 hours ...
Dilation and evacuation can be offered for the management of second trimester miscarriage if skilled providers are available. [6] Some women choose D&E over labor induction for a second trimester loss because it can be a scheduled surgical procedure, offering predictability over labor induction, or because they find it emotionally easier than undergoing labor and delivery.