CONTRACCIONES DE BRAXTON HICKS PDF

Whether you're 22 or 35 weeks along, pregnant with your first baby or your third, Braxton Hicks contractions can take you by surprise and even trick you into thinking you're entering labor. Also called "warm- up" or "toning" contractions, Braxton Hicks contractions are your body's way of preparing the uterus for labor. And they can send even the most seasoned mother to the hospital — only for her to find out that her Braxton Hicks are causing "false labor. Many women report having more of these contractions later in the day when they are tired or haven't had enough to drink.

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NCBI Bookshelf. Deborah A. Raines ; Danielle B. Authors Deborah A. Raines 1 ; Danielle B. Cooper 2. Braxton Hicks contractions are sporadic contractions and relaxation of the uterine muscle. Braxton Hicks contractions are a normal part of pregnancy. They may be uncomfortable, but they are not painful. Women describe Braxton Hicks contractions as feeling like mild menstrual cramps or a tightening in a specific area of the abdomen that comes and goes.

Braxton Hicks contractions can be differentiated from the contractions of true labor. Braxton Hicks contractions are irregular in duration and intensity, occur infrequently, are unpredictable and non-rhythmic, and are more uncomfortable than painful. Unlike true labor contractions, Braxton Hicks contractions do not increase in frequency, duration, or intensity.

Braxton Hicks contractions are caused when the muscle fibers in the uterus tighten and relax. The exact etiology of Braxton Hicks contractions is unknown. A commonality among all these triggers is the potential for stress to the fetus, and the need for increased blood flow to the placenta to provide fetal oxygenation. Braxton Hicks contractions are present in all pregnancies. However, each woman's experience is different.

Most women become aware of Braxton Hicks contractions in the third trimester, and some women are aware of them as early as the second trimester. Braxton Hicks contractions are thought to play a role in toning the uterine muscle in preparation for the birth process. Sometimes Braxton Hicks contractions are referred to as "practice for labor.

The intermittent contraction of the uterine muscle may also play a role in promoting blood flow to the placenta. Oxygen-rich blood fills the intervillous spaces of the uterus where the pressure is relatively low. The presence of Braxton Hicks contractions causes the blood to flow up to the chorionic plate on the fetal side of the placenta. From there the oxygen-rich blood enters the fetal circulation. Her response to these questions will assist the healthcare provider to differentiate Braxton Hicks contractions and true labor contractions.

An examination of the cervix reveals no change in effacement or dilatation as a result of the Braxton Hicks contractions. Evaluation of the presence of Braxton Hicks contractions is based on an assessment of the pregnant woman's abdomen, specifically palpating the contractions. By the midpoint of pregnancy, the woman and provider should discuss what the woman may experience during the remainder of the pregnancy.

Braxton Hicks contractions are one of the normal events a woman may experience. Teaching her about Braxton Hicks contractions will help her to be informed and to decrease her anxiety if they occur. There is no medical treatment for Braxton Hicks contractions. However, taking action to change the situation that triggered the Braxton Hicks contractions is warranted.

Some actions to ease Braxton Hicks contractions include:. Also, if any of the following are present the healthcare provider should be contacted immediately:.

Some normal reasons for abdominal pain during pregnancy, in addition to Braxton Hicks contractions and true labor contractions, include:. Circumstances in which abdominal pain is a sign of a serious condition that requires immediate medical attention include:.

If there is any doubt, the obstetrician should be consulted. However, at the same time, the onus is on the healthcare workers to rule out true labor. Other organic disorders like appendicitis, urinary tract infection or cholecystitis must also be ruled out.

To access free multiple choice questions on this topic, click here. This book is distributed under the terms of the Creative Commons Attribution 4. Turn recording back on. National Center for Biotechnology Information , U. StatPearls [Internet]. Search term. Braxton Hicks Contractions Deborah A. Author Information Authors Deborah A. Affiliations 1 Univ at Buffalo.

Introduction Braxton Hicks contractions are sporadic contractions and relaxation of the uterine muscle. Etiology Braxton Hicks contractions are caused when the muscle fibers in the uterus tighten and relax. Epidemiology Braxton Hicks contractions are present in all pregnancies. Pathophysiology Braxton Hicks contractions are thought to play a role in toning the uterine muscle in preparation for the birth process.

True labor contractions come at regular intervals, and as time goes on, they get closer together and stronger. How long are the contractions? Braxton Hicks contractions are unpredictable. They may last less than 30 seconds or up to 2 minutes. How strong are the contractions? Braxton Hicks contractions are usually weak and either stay the same or become weaker and then disappear. Where are the contractions felt? Braxton Hicks contractions are often only felt in the front of the abdomen or one specific area.

True labor contractions start in the midback and wrap around the abdomen towards the midline. Do the contractions change with movement? Braxton Hicks contractions may stop with a change in activity level or as the woman changes position. If she can sleep through the contraction, it is a Braxton Hicks contraction.

True labor contractions continue and may even become stronger with movement or position change. Some normal reasons for abdominal pain during pregnancy, in addition to Braxton Hicks contractions and true labor contractions, include: Round ligament pain or a sharp, jabbing feeling felt in the lower abdomen or groin area on one or both sides.

Placental abruption. A key symptom of placental abruption is intense and constant pain that causes the uterus to become hard for an extended period without relief. Urinary tract infection symptoms include pain and discomfort in the lower abdomen as well as burning with urination. Upper abdominal pain, usually under the ribs on the right side, can be present in preeclampsia.

Questions To access free multiple choice questions on this topic, click here. References 1. When it hurts I think: Now the baby dies. Risk perceptions of physical activity during pregnancy. Women Birth. From Braxton Hicks to preterm labour: the constitution of risk in pregnancy.

Can J Nurs Res. Dunn PM. John Braxton Hicks and painless uterine contractions. Fetal Neonatal Ed. Lockwood CJ. The diagnosis of preterm labor and the prediction of preterm delivery. Clin Obstet Gynecol. Effects of Braxton-Hicks contractions on fetal heart rate variations in normal and growth-retarded fetuses.

Functional asymmetry of the human myometrium documented by color and pulsed-wave Doppler ultrasonographic evaluation of uterine arcuate arteries during Braxton Hicks contractions. New approaches to the prediction of preterm delivery. J Perinat Med. Home monitoring of uterine contractility. Fetal Doppler velocimetry in the internal carotid and umbilical artery during Braxton Hicks' contractions.

Early Hum. Uteroplacental Doppler velocimetry during Braxton Hicks' contractions. Braxton-Hicks contractions can alter uteroplacental perfusion. Ultrasound Obstet Gynecol. Let's get rid of the term "Braxton Hicks contractions".

Obstet Gynecol. Braxton Hicks Contractions. In: StatPearls [Internet]. In this Page.

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Braxton Hicks contractions

Braxton Hicks contractions , also known as practice contractions , are sporadic uterine contractions that sometimes start around sixteen weeks into a pregnancy. However, they are usually felt in the second trimester or third trimester of pregnancy. Braxton Hicks contractions are often infrequent, irregular, and involve only mild cramping. As pregnancy goes on, Braxton Hicks contractions go from unnoticeable amounts of pain signals to irregular, infrequent cramping to strong frequent cramping and then finally labor pains. Braxton Hicks contractions are a tightening of the uterine muscles for one to two minutes and are thought to be an aid to the body in its preparation for birth. They are not thought to be part of the process of effacement of the cervix.

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Understanding and Identifying Braxton Hicks Contractions

NCBI Bookshelf. Deborah A. Raines ; Danielle B. Authors Deborah A.

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