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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
MeSH Review

Labor, Induced

 
 
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Disease relevance of Labor, Induced

 

High impact information on Labor, Induced

  • Labor induced with a prostaglandin confers the highest risk [4].
  • The women were randomly assigned to induction of labor with intravenous oxytocin; induction of labor with vaginal prostaglandin E2 gel; or expectant management for up to four days, with labor induced with either intravenous oxytocin or vaginal prostaglandin E2 gel if complications developed [5].
  • In six animals in labor induced with infusion of dexamethasone into the fetus, placental aromatase activity had a mean value of 14.0 +/- 2.5 pmol min-1 mg protein-1; placental steroid 17 alpha-hydroxylase, measured in four of the animals, had a mean (+/- SD) activity of 319 +/- 58 pmol min-1 mg microsomal protein-1 [6].
  • Studies utilizing glucose-controlled insulin infusion systems were undertaken to more accurately define the glucose and insulin requirements during the first stage of labor induced by oxytocin in 12 insulin-dependent diabetic women in whom normoglycemia had been maintained before delivery [7].
  • Induced labor further showed significantly higher levels of IL-8 (0.63 +/- 0.21; n = 14) than spontaneous labor (0.22 +/- 0.11; n = 20; P = 0.046), but not MnSOD (P = 0.1) [8].
 

Biological context of Labor, Induced

  • Lack of normal increase in saliva estriol/progesterone ratio in women with labor induced at 42 weeks' gestation [9].
  • We conclude that repeated doses of metoclopramide significantly reduce the duration of induced labor and therefore the total PCA morphine requirements.(ABSTRACT TRUNCATED AT 250 WORDS)[10]
  • Other than nulliparity, male sex of the fetus accounted for the greatest fraction of spontaneous labor-induced prematurity incidence (PAR% = 13.6%), and maternal age greater than 30 years or a positive urine culture accounted for the greatest fraction of PROM-induced prematurity incidence (PAR% = 7.9 and 6.7, respectively) [11].
 

Anatomical context of Labor, Induced

 

Associations of Labor, Induced with chemical compounds

  • The temporal relationship between changes in mammary blood flow (MBF) and changes in the concentration of plasma prolactin, progesterone, estradiol-17beta, and cortisol, was examined in chronic sheep preparations undergoing spontaneous labor (Group I) or labor induced by an infusion of dexamethasone (1 mg/24 h) to the fetus (Group II) [17].
  • The minimum analgesic dose of sufentanil in induced labor was significantly greater (P = 0.0014) than that in spontaneous labor (95% CI difference: 2.9, 9.3) by a factor of 1.3 (95% CI: 1.1, 1.5) [18].
  • Because PGE(2) is known to activate the fetal HPA axis, we hypothesized that administration of meloxicam, a PGHS-II inhibitor, to sheep in induced labor would suppress fetal HPA function [19].
  • Nine animals (group II) received continuous i.v. infusion of androstenedione that was started at 139 +/- 0.4 dGA and maintained until the onset of prematurely induced labor [20].
  • The fetal cortisol level after induced labor (mean, 35.2 mug/ml) supporting the adrenal contribution to the initiation of labor [21].
 

Gene context of Labor, Induced

  • The differences in the RCAS1 relative amount depended on the onset of labor, with the highest level in induced labor and the lowest in spontaneous labor [22].
  • Maternal prolactin, cortisol, growth hormone and noradrenalin levels were measured immediately before induced labor, during the expulsion stage and 60-90 min following delivery in 10 normal subjects between 38 and 41 wk of gestation [23].
  • CONCLUSION: The combination of IL-1 and TNF signaling plays a critical role in bacterially induced labor and myometrial COX-2 production in the mouse [24].
  • By contrast, the density of oxytocin receptor increased significantly from nonpregnant to pregnant tissue and fell in advanced spontaneous labor but not in advanced induced labor [25].
  • Fetal fibronectin and ultrasound measurements failed to predict accurately the outcome of induced labor [26].
 

Analytical, diagnostic and therapeutic context of Labor, Induced

References

  1. Uterine rupture associated with the use of misoprostol in the gravid patient with a previous cesarean section. Plaut, M.M., Schwartz, M.L., Lubarsky, S.L. Am. J. Obstet. Gynecol. (1999) [Pubmed]
  2. Retinal hemorrhages in the newborn following labor induced by oxytocin or dinoprostone. Schoenfeld, A., Buckman, G., Nissenkorn, I., Cohen, S., Ben-Sira, I., Ovadia, J. Arch. Ophthalmol. (1985) [Pubmed]
  3. Maternal weight, weight gain during pregnancy and pregnancy outcome. Ekblad, U., Grenman, S. International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics. (1992) [Pubmed]
  4. Risk of uterine rupture during labor among women with a prior cesarean delivery. Lydon-Rochelle, M., Holt, V.L., Easterling, T.R., Martin, D.P. N. Engl. J. Med. (2001) [Pubmed]
  5. Induction of labor compared with expectant management for prelabor rupture of the membranes at term. TERMPROM Study Group. Hannah, M.E., Ohlsson, A., Farine, D., Hewson, S.A., Hodnett, E.D., Myhr, T.L., Wang, E.E., Weston, J.A., Willan, A.R. N. Engl. J. Med. (1996) [Pubmed]
  6. The regulation of ovine placental steroid 17 alpha-hydroxylase and aromatase by glucocorticoid. France, J.T., Magness, R.R., Murry, B.A., Rosenfeld, C.R., Mason, J.I. Mol. Endocrinol. (1988) [Pubmed]
  7. Insulin and glucose requirements during the first stage of labor in insulin-dependent diabetic women. Jovanovic, L., Peterson, C.M. Am. J. Med. (1983) [Pubmed]
  8. Human myometrial genes are differentially expressed in labor: a suppression subtractive hybridization study. Chan, E.C., Fraser, S., Yin, S., Yeo, G., Kwek, K., Fairclough, R.J., Smith, R. J. Clin. Endocrinol. Metab. (2002) [Pubmed]
  9. Lack of normal increase in saliva estriol/progesterone ratio in women with labor induced at 42 weeks' gestation. Moran, D.J., McGarrigle, H.H., Lachelin, G.C. Am. J. Obstet. Gynecol. (1992) [Pubmed]
  10. Metoclopramide-enhanced analgesia for prostaglandin-induced termination of pregnancy. Rosenblatt, W.H., Cioffi, A.M., Sinatra, R., Silverman, D.G. Anesth. Analg. (1992) [Pubmed]
  11. Determinants of preterm delivery in low-risk pregnancies. The RADIUS Study Group. Harlow, B.L., Frigoletto, F.D., Cramer, D.W., Evans, J.K., LeFevre, M.L., Bain, R.P., McNellis, D. Journal of clinical epidemiology. (1996) [Pubmed]
  12. Alveolar fluid clearance in late-gestational guinea pigs after labor induction: mechanisms and regulation. Norlin, A., Folkesson, H.G. Am. J. Physiol. Lung Cell Mol. Physiol. (2001) [Pubmed]
  13. The role of ultrasound and fetal fibronectin in predicting the length of induced labor when the cervix is unfavorable. Roman, H., Verspyck, E., Vercoustre, L., Degre, S., Col, J.Y., Firmin, J.M., Caron, P., Marpeau, L. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. (2004) [Pubmed]
  14. Amniotic fluid prostaglandin D2 in spontaneous and augmented labor. Berryman, G.K., Strickland, D.M., Hankins, G.D., Mitchell, M.D. Life Sci. (1987) [Pubmed]
  15. Cervical ripening with intracervical prostaglandin-E2 gel. I. Clinical results and effect on plasma levels of oxytocin and 13,14-dihydro,15-ketoprostaglandin-F2 alpha. Fuchs, A.R., Goeschen, K., Rasmussen, A.B., Rehnström, J.V., Saling, E., Fuchs, F. American journal of perinatology. (1983) [Pubmed]
  16. Comparison of intravaginal and two intracervical prostaglandin E2 gels in pre-induction of labour. Ekblad, U., Erkkola, R., Pirhonen, J. Annales chirurgiae et gynaecologiae. Supplementum. (1994) [Pubmed]
  17. Mammary blood flow and endocrine changes during parturition in the ewe. Burd, L.I., Lemons, J.A., Makowski, E.L., Meschia, G., Niswender, G. Endocrinology (1976) [Pubmed]
  18. Minimum analgesic dose of epidural sufentanil for first-stage labor analgesia: a comparison between spontaneous and prostaglandin-induced labors in nulliparous women. Capogna, G., Parpaglioni, R., Lyons, G., Columb, M., Celleno, D. Anesthesiology (2001) [Pubmed]
  19. Altered fetal pituitary-adrenal function in the ovine fetus treated with RU486 and meloxicam, an inhibitor of prostaglandin synthase-II. McKeown, K.J., Challis, J.R., Small, C., Adamson, L., Bocking, A.D., Fraser, M., Rurak, D., Riggs, K.W., Lye, S.J. Biol. Reprod. (2000) [Pubmed]
  20. Timing of the switch from myometrial contractures to contractions in late-gestation pregnant rhesus monkeys as recorded by myometrial electromyogram during spontaneous term and androstenedione-induced labor. Farber, D.M., Giussani, D.A., Jenkins, S.L., Mecenas, C.A., Winter, J.A., Wentworth, R.A., Nathanielsz, P.W. Biol. Reprod. (1997) [Pubmed]
  21. Maternal and fetal plasma cortisol levels at parturition. Goldkrand, J.W., Schulte, R.L., Messer, R.H. Obstetrics and gynecology. (1976) [Pubmed]
  22. The Role of RCAS1 and oxytocinase in immune tolerance during pregnancy. Wicherek, L., Dutsch-Wicherek, M., Mak, P., Klimek, M. Fetal. Diagn. Ther. (2005) [Pubmed]
  23. Maternal prolactin, cortisol, growth hormone and noradrenalin profiles during labor and following delivery. Wladimiroff, J.W., Lo, R.T., de Meijer, M.H., Lamberts, S.W., Schalekamp, M.A. Eur. J. Obstet. Gynecol. Reprod. Biol. (1983) [Pubmed]
  24. Signaling via the type I IL-1 and TNF receptors is necessary for bacterially induced preterm labor in a murine model. Hirsch, E., Filipovich, Y., Mahendroo, M. Am. J. Obstet. Gynecol. (2006) [Pubmed]
  25. Inositol 1,4,5-trisphosphate and oxytocin binding in human myometrium. Rivera, J., López Bernal, A., Varney, M., Watson, S.P. Endocrinology (1990) [Pubmed]
  26. Prediction of successful induction of labor at term: role of clinical history, digital examination, ultrasound assessment of the cervix, and fetal fibronectin assay. Reis, F.M., Gervasi, M.T., Florio, P., Bracalente, G., Fadalti, M., Severi, F.M., Petraglia, F. Am. J. Obstet. Gynecol. (2003) [Pubmed]
  27. Intracervical prostaglandin in postdate pregnancy. A randomized trial. Buttino, L.T., Garite, T.J. The Journal of reproductive medicine. (1990) [Pubmed]
  28. A comparison of induction with vaginal prostaglandin E2 versus spontaneous of labor in grand multiparous women. Zamzami, T.Y. Arch. Gynecol. Obstet. (2005) [Pubmed]
 
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