The effects of early elective amniotomy on the length of labor and the condition of the fetus
Amniotomy is done frequently for the purpose of shortening labor or applying an internal fetal monitor electrode. To determine if amniotomy is warranted as a routine procedure, a systematic review of literature on the subject was done. Studies pertaining to the length of labor showed either no consi...
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| Published in | Journal of nurse-midwifery Vol. 25; no. 4; pp. 3 - 9 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
Oxford, UK
Elsevier Science
01.07.1980
Blackwell Publishing Ltd |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0091-2182 1879-1565 |
| DOI | 10.1016/0091-2182(80)90175-5 |
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| Abstract | Amniotomy is done frequently for the purpose of shortening labor or applying an internal fetal monitor electrode. To determine if amniotomy is warranted as a routine procedure, a systematic review of literature on the subject was done. Studies pertaining to the length of labor showed either no consistent effect of amniotomy, or a shorter labor by a maximum of 61.5 min with early amniotomy. Studies pertaining to the condition of the fetus showed increased incidence of caput succedaneum, skull bone disalignment, and early decelerations with early amniotomy. A small controlled study showed decreased pH of newborns with early amniotomy. There was no significant difference in Apgar score or neurological examination of the newborn with early amniotomy. The author concluded that early amniotomy should be reserved for use with specific indications, and should not be used routinely in the low-risk parturient. |
|---|---|
| AbstractList | ABSTRACT
Amniotomy is done frequently for the purpose of shortening labor or applying an internal fetal monitor electrode. To determine if amniotomy is warranted as a routine procedure, a systematic review of literature on the subject was done. Studies pertaining to the length of labor showed either no consistent effect of amniotomy, or a shorter labor by a maximum of 61.5 min with early amniotomy. Studies pertaining to the condition of the fetus showed increased incidence of caput succedaneum, skull bone disalignment, and early decelerations with early amniotomy. A small controlled study showed decreased pH of newborns with early amniotomy. There was no significant difference in Apgar score or neurological examination of the newborn with early amniotomy. The author concluded that early amniotomy should be reserved for use with specific indications, and should not be used routinely in the low‐risk parturient. Amniotomy is done frequently for the purpose of shortening labor or applying an internal fetal monitor electrode. To determine if amniotomy is warranted as a routine procedure, a systematic review of literature on the subject was done. Studies pertaining to the length of labor showed either no consistent effect of amniotomy, or a shorter labor by a maximum of 61.5 min with early amniotomy. Studies pertaining to the condition of the fetus showed increased incidence of caput succedaneum, skull bone disalignment, and early decelerations with early amniotomy. A small controlled study showed decreased pH of newborns with early amniotomy. There was no significant difference in Apgar score or neurological examination of the newborn with early amniotomy. The author concluded that early amniotomy should be reserved for use with specific indications, and should not be used routinely in the low-risk parturient. |
| Author | Lynaugh, Kathleen H. |
| Author_xml | – sequence: 1 givenname: Kathleen H. surname: Lynaugh fullname: Lynaugh, Kathleen H. |
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| Copyright | 1980 American College of Nurse-Midwives 1980 American College of Nurse Midwives |
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| Notes | ArticleID:JMWH1631 ark:/67375/WNG-SPW8FC30-3 istex:E5901B5A1B00EE4B79CE354C048DEDB174BD8C7D Kathleen Lynaugh received her M.S.N. degree from the University of Kentucky in December, 1979, in the component of nurse‐midwifery. She is presently employed as a staff nurse‐midwife at the University of Kentucky Medical Center. ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| References | Schwarcz, Althabe, Belizky, Lanchares, Alvarez, Berdague, Capurro, Belizan, Sabatino, Abusleme, Caldeyro-Barcia (bib20) 1973; 1 (bib23) April 1979 Baumgarten (bib22) 1976; 4 Gaafar, El-Sahwi, Toppozada (bib2) 1967; 98 Van Praagh, Hendricks (bib1) 1964; 24 Althabe, Aramburu, Schwarcz, Caldeyro-Barcia (bib19) 1969 Bainbridge, Nixon, Smyth (bib4) 1958; 65 Martell, Belizan, Nieto, Schwarcz (bib15) 1976; 89 Hon (bib24) 1975 Krapohl, Myers, CaldeyroBarcia (bib11) 1970; 106 Gaabe, Ettinger, Freeman, Martin (bib16) 1976; 126 Friedman, Sachtelben (bib9) 1963; 22 Friedman (bib8) 1978 Poma-Herrera, Webster, Keith (bib12) 1970; 29 Kubli (bib14) 1968; 11 Caldeyro-Barcia, Schwarcz, Belizan, Martell, Nieto, Sabatino, Tenzer (bib17) 1974 Wetrich (bib6) 1970; 35 Aladjem, Miller (bib18) 1977; 84 Schwarcz, Diaz, Belizan, Fexcina, Caldeyro-Barcia (bib21) 1977 Lindgren (bib5) 1959; 38 Laros, Work, Witting (bib7) 1972; 39 Brotanek, Hodr (bib3) 1968; 101 Lumley, Wood (bib13) 1971; 11 Ratnam, Tow (bib10) 1969; 10 Poma-Herrera P, Webster A, Keith L: The effect of amniotomy on progress in the first stage of labor: a retrospective study. Chicago Med School Q 29:184-189 (1970). Aladjem S, Miller T: Effects of spontaneous and artificial membrane rupture in labour upon fetal heart rate. Br J Obstet Gynecol 84:44-47 (1977). Gaafar A, El-Sahwi S, Toppozada H: Artificial rupture of membranes and uterine activity. Am J Obstet Gynecol 98:913-918 (1967). Lumley J, Wood C: Transient fetal acidosis and artificial rupture of the membranes. Aust NZ J Obstet Gynecol 11:221-225 (1971). Brotanek V, Hodr J: Fetal distress after artificial rupture of membranes. Am J Obstet Gynecol 101:542-545 (1968). Kubli FW: Influence of labor on fetal acid-base balance. Clin Obstet Gynecol 11:168-191 (1968). Schwarcz R, Diaz A, Belizan J, Fexcina R, Caldeyro-Barcia R: Influence of amniotomy and maternal position on labor, Gynecology and Obstetrics. Edited by Caslelazo-Ayala et al., Amsterdam, Excerpta Medica, 1977. Schwarcz R, Althabe O, Belizky R, Lanchares J, Alvarez R, Berdague P, Capurro H, Belizan J, Sabatino J, Abusleme C, Caldeyro-Barcia R: Fetal heart rate pattern in labors with intact and ruptured membranes. J Perinatal Med 1:153-167 (1973). Laros R, Work B, Witting W: Amniotomy during the active phase of labor. Obstet Gynecol 39:702-704 (1972). Wetrich D: Effect of amniotomy upon labor. Obstet Gynecol 35:800-806 (1970). Krapohl A, Myers G, Caldeyro-Barcia R: Uterine contractions in spontaneous labor. Am J Obstet Gynecol 106:378-387 (1970). Hon IH: An Introduction to Fetal Heart Rate Monitoring. Los Angeles, University of Southern California, 1975. Bainbridge MN, Nixon WC, Smyth CN: The effect of rupture of membranes upon length of labour. J Obstet Gynaecol Br Emp 65:189-199 (1958). Martell M, Belizan JM, Nieto F, Schwarcz R: Blood acid base balance at birth in neonates from labors with early and late rupture of the membranes. J Pediatr 89:963-967 (1976). Ratnam SS, Tow SH: Amniotomy in labour. Singapore Med J 10:50-53 (1969). Van Praagh I, Hendricks C: The effect of amniotomy during labor in multiparas. Obstet Gynecol 24:258-265 (1964). Lindgren L: The effect of rupture of the membranes upon the mechanism of labour. ACTA Obstet Gynaecol Scand 38:211-226 (1959). Gaabe S, Ettinger B, Freeman R, Martin C. Unbilical cord compression associated with amniotomy: laboratory observations. Am J Obstet Gynecol 126:353-355 (1976). Baumgarten K: Advantages and disadvantages of low amniotomy. J Perinatal Med 4:3-11 (1976). Friedman EA: Labor: Clinical Evaluation and Management. New York, Appleton-Century-Croft, 1978. Friedman EA, Sachtelben MR: Amniotomy and the course of labor. Obstet Gynecol 22:755-770 (1963). 1971; 11 1963; 22 1976; 89 1967; 98 1968; 101 1969; 10 1976; 126 1977; 84 1958; 65 1975 1974 1964; 24 1959; 38 1970; 29 1970; 106 1969 1973; 1 April, 1979 1972; 39 1968; 11 1978 1976; 4 1970; 35 1977 |
| References_xml | – volume: 39 start-page: 702 year: 1972 end-page: 704 ident: bib7 article-title: Amniotomy during the active phase of labor publication-title: Obstet Gynecol – volume: 1 start-page: 153 year: 1973 end-page: 167 ident: bib20 article-title: Fetal heart rate pattern in labors with intact and ruptured membranes publication-title: J Perinatal Med – year: 1977 ident: bib21 article-title: Influence of amniotomy and maternal position on labor publication-title: Gynecology and Obstetrics – year: 1978 ident: bib8 article-title: Labor: Clinical Evaluation and Management – volume: 4 start-page: 3 year: 1976 end-page: 11 ident: bib22 article-title: Advantages and disadvantages of low amniotomy publication-title: J Perinatal Med – volume: 98 start-page: 913 year: 1967 end-page: 918 ident: bib2 article-title: Artificial rupture of membranes and uterine activity publication-title: Am J Obstet Gynecol – volume: 89 start-page: 963 year: 1976 end-page: 967 ident: bib15 article-title: Blood acid base balance at birth in neonates from labors with early and late rupture of the membranes publication-title: J Pediatr – volume: 65 start-page: 189 year: 1958 end-page: 199 ident: bib4 article-title: The effect of rupture of membranes upon length of labour publication-title: J Obstet Gynaecol Br Emp – volume: 84 start-page: 44 year: 1977 end-page: 47 ident: bib18 article-title: Effects of spontaneous and artificial membrane rupture in labour upon fetal heart rate publication-title: Br J Obstet Gynecol – volume: 10 start-page: 50 year: 1969 end-page: 53 ident: bib10 article-title: Amniotomy in labour publication-title: Singapore Med J – volume: 24 start-page: 258 year: 1964 end-page: 265 ident: bib1 article-title: The effect of amniotomy during labor in multiparas publication-title: Obstet Gynecol – year: April 1979 ident: bib23 publication-title: Antenatal Diagnosis – volume: 29 start-page: 184 year: 1970 end-page: 189 ident: bib12 article-title: The effect of amniotomy on progress in the first stage of labor: a retrospective study publication-title: Chicago Med School Q – volume: 126 start-page: 353 year: 1976 end-page: 355 ident: bib16 article-title: Unbilical cord compression associated with amniotomy: laboratory observations publication-title: Am J Obstet Gynecol – volume: 38 start-page: 211 year: 1959 end-page: 226 ident: bib5 article-title: The effect of rupture of the membranes upon the mechanism of labour publication-title: ACTA Obstet Gynaecol Scand – volume: 106 start-page: 378 year: 1970 end-page: 387 ident: bib11 article-title: Uterine contractions in spontaneous labor publication-title: Am J Obstet Gynecol – volume: 11 start-page: 168 year: 1968 end-page: 191 ident: bib14 article-title: Influence of labor on fetal acid-base balance publication-title: Clin Obstet Gynecol – year: 1974 ident: bib17 article-title: Adverse perinatal effects of early amniotomy during labor publication-title: Modern Perinatal Medicine – volume: 22 start-page: 755 year: 1963 end-page: 770 ident: bib9 article-title: Amniotomy and the course of labor publication-title: Obstet Gynecol – volume: 11 start-page: 221 year: 1971 end-page: 225 ident: bib13 article-title: Transient fetal acidosis and artificial rupture of the membranes publication-title: Aust NZ J Obstet Gynecol – year: 1969 ident: bib19 article-title: Influence of the rupture of membranes on compression of the fetal head during labor publication-title: Scientific Publication No. 185 – volume: 101 start-page: 542 year: 1968 end-page: 545 ident: bib3 article-title: Fetal distress after artificial rupture of membranes publication-title: Am J Obstet Gynecol – volume: 35 start-page: 800 year: 1970 end-page: 806 ident: bib6 article-title: Effect of amniotomy upon labor publication-title: Obstet Gynecol – year: 1975 ident: bib24 article-title: An Introduction to Fetal Heart Rate Monitoring – reference: Laros R, Work B, Witting W: Amniotomy during the active phase of labor. Obstet Gynecol 39:702-704 (1972). – reference: Poma-Herrera P, Webster A, Keith L: The effect of amniotomy on progress in the first stage of labor: a retrospective study. Chicago Med School Q 29:184-189 (1970). – reference: Brotanek V, Hodr J: Fetal distress after artificial rupture of membranes. Am J Obstet Gynecol 101:542-545 (1968). – reference: Friedman EA, Sachtelben MR: Amniotomy and the course of labor. Obstet Gynecol 22:755-770 (1963). – reference: Hon IH: An Introduction to Fetal Heart Rate Monitoring. Los Angeles, University of Southern California, 1975. – reference: Bainbridge MN, Nixon WC, Smyth CN: The effect of rupture of membranes upon length of labour. J Obstet Gynaecol Br Emp 65:189-199 (1958). – reference: Krapohl A, Myers G, Caldeyro-Barcia R: Uterine contractions in spontaneous labor. Am J Obstet Gynecol 106:378-387 (1970). – reference: Gaabe S, Ettinger B, Freeman R, Martin C. Unbilical cord compression associated with amniotomy: laboratory observations. Am J Obstet Gynecol 126:353-355 (1976). – reference: Ratnam SS, Tow SH: Amniotomy in labour. Singapore Med J 10:50-53 (1969). – reference: Lindgren L: The effect of rupture of the membranes upon the mechanism of labour. ACTA Obstet Gynaecol Scand 38:211-226 (1959). – reference: Schwarcz R, Diaz A, Belizan J, Fexcina R, Caldeyro-Barcia R: Influence of amniotomy and maternal position on labor, Gynecology and Obstetrics. Edited by Caslelazo-Ayala et al., Amsterdam, Excerpta Medica, 1977. – reference: Martell M, Belizan JM, Nieto F, Schwarcz R: Blood acid base balance at birth in neonates from labors with early and late rupture of the membranes. J Pediatr 89:963-967 (1976). – reference: Wetrich D: Effect of amniotomy upon labor. Obstet Gynecol 35:800-806 (1970). – reference: Van Praagh I, Hendricks C: The effect of amniotomy during labor in multiparas. Obstet Gynecol 24:258-265 (1964). – reference: Gaafar A, El-Sahwi S, Toppozada H: Artificial rupture of membranes and uterine activity. Am J Obstet Gynecol 98:913-918 (1967). – reference: Aladjem S, Miller T: Effects of spontaneous and artificial membrane rupture in labour upon fetal heart rate. Br J Obstet Gynecol 84:44-47 (1977). – reference: Baumgarten K: Advantages and disadvantages of low amniotomy. J Perinatal Med 4:3-11 (1976). – reference: Friedman EA: Labor: Clinical Evaluation and Management. New York, Appleton-Century-Croft, 1978. – reference: Lumley J, Wood C: Transient fetal acidosis and artificial rupture of the membranes. Aust NZ J Obstet Gynecol 11:221-225 (1971). – reference: Kubli FW: Influence of labor on fetal acid-base balance. Clin Obstet Gynecol 11:168-191 (1968). – reference: Schwarcz R, Althabe O, Belizky R, Lanchares J, Alvarez R, Berdague P, Capurro H, Belizan J, Sabatino J, Abusleme C, Caldeyro-Barcia R: Fetal heart rate pattern in labors with intact and ruptured membranes. J Perinatal Med 1:153-167 (1973). – volume: 35 start-page: 800 year: 1970 end-page: 806 article-title: Effect of amniotomy upon labor publication-title: Obstet Gynecol – volume: 126 start-page: 353 year: 1976 end-page: 355 article-title: Unbilical cord compression associated with amniotomy: laboratory observations publication-title: Am J Obstet Gynecol – volume: 24 start-page: 258 year: 1964 end-page: 265 article-title: The effect of amniotomy during labor in multiparas publication-title: Obstet Gynecol – volume: 4 start-page: 3 year: 1976 end-page: 11 article-title: Advantages and disadvantages of low amniotomy publication-title: J Perinatal Med – volume: 11 start-page: 221 year: 1971 end-page: 225 article-title: Transient fetal acidosis and artificial rupture of the membranes publication-title: Aust NZ J Obstet Gynecol – volume: 98 start-page: 913 year: 1967 end-page: 918 article-title: Artificial rupture of membranes and uterine activity publication-title: Am J Obstet Gynecol – volume: 65 start-page: 189 year: 1958 end-page: 199 article-title: The effect of rupture of membranes upon length of labour publication-title: J Obstet Gynaecol Br Emp – volume: 38 start-page: 211 year: 1959 end-page: 226 article-title: The effect of rupture of the membranes upon the mechanism of labour publication-title: ACTA Obstet Gynaecol Scand – year: 1969 – volume: 22 start-page: 755 year: 1963 end-page: 770 article-title: Amniotomy and the course of labor publication-title: Obstet Gynecol – volume: 101 start-page: 542 year: 1968 end-page: 545 article-title: Fetal distress after artificial rupture of membranes publication-title: Am J Obstet Gynecol – volume: 89 start-page: 963 year: 1976 end-page: 967 article-title: Blood acid base balance at birth in neonates from labors with early and late rupture of the membranes publication-title: J Pediatr – volume: 10 start-page: 50 year: 1969 end-page: 53 article-title: Amniotomy in labour publication-title: Singapore Med J – volume: 1 start-page: 153 year: 1973 end-page: 167 article-title: Fetal heart rate pattern in labors with intact and ruptured membranes publication-title: J Perinatal Med – year: 1974 – year: 1975 – volume: 39 start-page: 702 year: 1972 end-page: 704 article-title: Amniotomy during the active phase of labor publication-title: Obstet Gynecol – volume: 84 start-page: 44 year: 1977 end-page: 47 article-title: Effects of spontaneous and artificial membrane rupture in labour upon fetal heart rate publication-title: Br J Obstet Gynecol – volume: 29 start-page: 184 year: 1970 end-page: 189 article-title: The effect of amniotomy on progress in the first stage of labor: a retrospective study publication-title: Chicago Med School Q – year: 1978 – volume: 106 start-page: 378 year: 1970 end-page: 387 article-title: Uterine contractions in spontaneous labor publication-title: Am J Obstet Gynecol – year: 1977 – year: April, 1979 – volume: 11 start-page: 168 year: 1968 end-page: 191 article-title: Influence of labor on fetal acid‐base balance publication-title: Clin Obstet Gynecol |
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| Snippet | Amniotomy is done frequently for the purpose of shortening labor or applying an internal fetal monitor electrode. To determine if amniotomy is warranted as a... ABSTRACT Amniotomy is done frequently for the purpose of shortening labor or applying an internal fetal monitor electrode. To determine if amniotomy is... |
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| Title | The effects of early elective amniotomy on the length of labor and the condition of the fetus |
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