PMID: 40589Sep 1, 1979

Normal values for fetal scalp tissue pH during labour

British Journal of Obstetrics and Gynaecology
T Weber, S Hahn-Pedersen


Normal values for fetal scalp tissue pH during labour were determined by using a glass electrode (Kontron-Roche). A total of 132 recordings was obtained and 84 (64 per cent) were of good quality. After a good quality recording had been obtained, there were 64 infants with an Apgar score of 9 or 10 at one and five minutes after delivery. The 64 recordings showed pH values (Mean +/- 2SEM) of 7.38 +/- 0.12 six hours before delivery and 7.28 +/- 0.12 at the time of delivery. Between the 5th and 55th minutes of the second stage of labour the pH (Mean +/- 2SEM) fell from 7.30 +/- 0.14 to 7.20 +/- 0.13.


Jan 1, 1976·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·V M RoemerT J Horvath
Jan 1, 1978·Acta Obstetricia Et Gynecologica Scandinavica·C Wood
Oct 1, 1978·British Journal of Obstetrics and Gynaecology·T WeberJ E Bock
Jan 1, 1971·The Journal of Obstetrics and Gynaecology of the British Commonwealth·J LumleyC Wood
Dec 1, 1967·The Journal of Obstetrics and Gynaecology of the British Commonwealth·R W BeardS G Clayton


Mar 1, 1987·European Journal of Obstetrics, Gynecology, and Reproductive Biology·C Nickelsen, T Weber
Mar 1, 1987·Baillière's Clinical Obstetrics and Gynaecology·N C Smith
Dec 10, 1999·Obstetrics and Gynecology Clinics of North America·H M McNamara, G A Dildy
Jan 1, 1986·European Journal of Obstetrics, Gynecology, and Reproductive Biology·C Nickelsen, T Weber
Nov 1, 1984·British Journal of Obstetrics and Gynaecology·S G Thomsen, T Weber
Aug 1, 1980·British Journal of Obstetrics and Gynaecology·A M Flynn, J Kelly
Feb 27, 2020·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Inmaculada Cardona-BenavidesSebastián Manzanares Galán
Aug 1, 1987·British Journal of Obstetrics and Gynaecology·F D JohnstoneA K Harouny

Related Concepts

Umbilical Cord Blood
Fetal Structures
Hydrogen-Ion Concentration
Labor (Childbirth)
Labor Stage, Second
Scalp Structure

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Related Papers

British Journal of Obstetrics and Gynaecology
S G Thomsen, T Weber
European Journal of Obstetrics, Gynecology, and Reproductive Biology
C Nickelsen, T Weber
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