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Childbirth positions

From Wikipedia, the free encyclopedia

The term childbirth positions (or maternal birthing positions)[1] refers to the physical postures the pregnant mother may assume during the process of childbirth. They may also be referred to as delivery positions or labor positions.

In addition to the lithotomy position (on back with feet pulled up), still commonly used by many obstetricians, other positions are successfully used by midwives and traditional birth-attendants around the world. Engelmann's seminal 1882 work "Labor among primitive peoples" publicised the childbirth positions amongst primitive cultures to the Western world. They frequently use squatting, standing, kneeling and all fours positions, often in a sequence.[2] They are referred to as upright birth positions.[3]

Understanding the physical effects of each birthing position on the mother and baby is important. However, the psychological effects are crucial as well. Knowledge about birthing positions can help mothers choose the option they are most comfortable with. Having the agency and self-control to change positions in labor positively influences the mother's comfort and birthing experience, which increases the birthing outcome and her satisfaction with labor. [4]

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Transcription

Lithotomy position

In the lithotomy position, the birthing person is lying on their back with their legs up in stirrups and their buttocks close to the edge of the table.[5] This position is convenient for the caregiver because it permits them more access to the perineum.

The position has been largely popular in the US and other Western countries over the last two centuries, though cross-culturally and historically, it is very rare (about 18%) for people to assume a prone or dorsal position during childbirth. Reclining positions became common in France during the 17th century, as obstetrics became a more respected field and ideas of birth being an affliction rather than natural became widespread. The standard of birthing people lying flat on their back originated in the early 19th century in the US, and was recommended by male obstetricians on the basis of claims that the position was both more convenient for attending medical staff and that birthing people would be more comfortable lying on their backs.[6]

However, the lithotomy is not a comfortable position for most patients, considering the pressure on the vaginal walls because the baby's head is uneven and the labor process is working against gravity.[7] Research suggests that maternal bodily positions have a notable influence on pain experienced during labor and delivery, and that positions such as squatting show significantly reduced pain compared to the lithotomy position.[8]

Upright birth positions in general

Various people have promoted the adoption of upright birthing positions, particularly squatting, for Western countries, such as Grantly Dick-Read, Janet Balaskas, Moysés Paciornik and Hugo Sabatino. The adoption of the non-lithotomy positions is also promoted by the natural childbirth movement.

Being upright during labour and birth can increase the available space within the pelvis by 28–30% giving more room to the baby for rotation and descent. There is also a 54% decreased incidence of foetal heart rate abnormalities when the mother is upright.[9] These birthing positions can also reduce the duration of the second stage of labour[10] as well as reduce the risk for emergency caesarian sections by 29%.[11] They are also associated with the lower need for epidural.[11]

Different positions may be associated with different rates of perineal injury.[12][13]

Squatting position

The Dumbarton Oaks birthing figure

The squatting position gives a greater increase of pressure in the pelvic cavity with minimal muscular effort. The birth canal will open 20 to 30% more in a squat than in any other position. It is recommended for the second stage of childbirth.[14]

As most Western adults find it difficult to squat with heels down, compromises are often made such as putting a support under the elevated heels or another person supporting the squatter.[15]

In ancient Egypt, women delivered babies while squatting on a pair of bricks, known as birth bricks.[16]

All-fours

Some mothers may choose the all-fours position instinctively. It can help the baby turn around in the case of a malpresentation of the head. Since this position uses gravity, it decreases back pain,[7] as the mother is able to tilt her hips.[17]

Side lying

Side lying may help slow the baby's descent down the birth canal, thereby giving the perineum more time to naturally stretch. To assume this position, the mother lies on her side with her knees bent. To push, a slight rolling movement is used such that the mother is propped up on one elbow is needed, while one leg is held up. This position does not use gravity but still holds an advantage over the lithotomy position, as it does not position the venae cavae under the uterus, which decreases blood flow to mother and child.[7]

See also

References

  1. ^ Olson R, Olson C, Cox NS (May 1990). "Maternal birthing positions and perineal injury". J Fam Pract. 30 (5): 553–7. PMID 2332746.
  2. ^ Engelmann GJ Labor among primitive peoples (1883)
  3. ^ Non-Supine (e.g., Upright or Side-Lying) Positions for Birth. Lamaze International Education Council, Keen R, DiFranco J, Amis D, Albers L, Journal of Perinatal Education. 2004 spring; 13(2): 30–34.
  4. ^ Gizzo, Salvatore; Di Gangi, Stefania; Noventa, Marco; Bacile, Veronica; Zambon, Alessandra; Battista Nardelli, Giovanni (May 2014). "Women's Choice of Positions during Labour: Return to the Past or a Modern Way to Give Birth? A Cohort Study in Italy". Biomed research international. PMC 4052104 – via PubMed central.{{cite journal}}: CS1 maint: date and year (link)
  5. ^ "Lithotomy Position for Labor". Archived from the original on 2010-10-25. Retrieved 2010-10-25.
  6. ^ https://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.77.5.636#:~:text=Although%20a%20precise%20relation%20between,in%20France%20in%20the%2017th
  7. ^ a b c "Archived copy". Archived from the original on 2010-10-24. Retrieved 2010-10-25.{{cite web}}: CS1 maint: archived copy as title (link)
  8. ^ Research suggests that maternal bodily positions have a notable influence on pain experienced during labor and delivery, and that positions such as squatting show significantly reduced pain compared to the lithotomy position.
  9. ^ Gupta, JK; Sood, A; Hofmeyr, GJ; Vogel, JP (25 May 2017). "Position in the second stage of labour for women without epidural anaesthesia". The Cochrane Database of Systematic Reviews. 2017 (5): CD002006. doi:10.1002/14651858.CD002006.pub4. PMC 6484432. PMID 28539008.
  10. ^ Position in the second stage of labour for women without epidural anaesthesia: RHL commentary. Lavender T and Mlay R. The WHO Reproductive Health Library; Geneva: World Health Organization. (last revised: 15 December 2006).
  11. ^ a b Lawrence A (2013). Lawrence, Annemarie (ed.). "Maternal positions and mobility during first stage labour". Reviews (10): CD003934. doi:10.1002/14651858.CD003934.pub4. PMC 4164173. PMID 24105444.
  12. ^ Shorten A, Donsante J, Shorten B (March 2002). "Birth position, accoucheur, and perineal outcomes: informing women about choices for vaginal birth". Birth. 29 (1): 18–27. doi:10.1046/j.1523-536x.2002.00151.x. PMID 11843786.
  13. ^ Hastings-Tolsma M, Vincent D, Emeis C, Francisco T (2007). "Getting through birth in one piece: protecting the perineum". MCN Am J Matern Child Nurs. 32 (3): 158–64. doi:10.1097/01.NMC.0000269565.20111.92. PMID 17479052. S2CID 23250812.
  14. ^ Russell JG. Moulding of the pelvic outlet. J Obstet Gynaecol Br Commonw 1969;76:817–20.
  15. ^ "Balaskas J Using the squatting position during labour and for birth" (PDF). Archived from the original (PDF) on 2012-03-09. Retrieved 2013-11-24.
  16. ^ Wilkinson, Richard H. (2003). The complete gods and goddesses of ancient Egypt. London: Thames & Hudson. pp. 152–53. ISBN 978-0-500-05120-7.
  17. ^ "Childbirth: Coping with Pain: Positions for Labour and Birth". Archived from the original on 2011-01-09. Retrieved 2010-10-25.
This page was last edited on 18 March 2024, at 21:30
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