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Study of Maternal Hydration on the Increase of Amniotic Fluid Index
This study has been completed.
First Received: March 7, 2008   Last Updated: March 13, 2008   History of Changes
Sponsored by: UPECLIN HC FM Botucatu Unesp
Information provided by: UPECLIN HC FM Botucatu Unesp
ClinicalTrials.gov Identifier: NCT00635947
  Purpose

The purpose of this study is to determine the effect of maternal hydration with oral isotonic solution and water on amniotic fluid (AF) index in women with normohydramnios.


Condition Intervention Phase
Pregnancy
Other: isotonic solution
Other: water
Phase IV

MedlinePlus related topics: Drinking Water
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Single Blind (Investigator), Placebo Control, Factorial Assignment, Safety Study
Official Title: Randomized Trial of Maternal Hydration on the Increase of Amniotic Fluid Index

Further study details as provided by UPECLIN HC FM Botucatu Unesp:

Primary Outcome Measures:
  • the effects of maternal oral hydration with isotonic fluid and water on amniotic fluid index in women with normohydramnios [ Time Frame: 4horas ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • compare the effects of maternal oral hydration with isotonic fluid and water on amniotic fluid index in women with normohydramnios [ Time Frame: 4horas ] [ Designated as safety issue: Yes ]

Enrollment: 99
Study Start Date: July 1998
Study Completion Date: January 2005
Primary Completion Date: July 1999 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Active Comparator
isotonic solution - 1.5L
Other: isotonic solution
1.5 L- during 2-4hours
2: Active Comparator
water- 1.5L
Other: water
1.5 L- during 2-4hours
3: Placebo Comparator
water-200mL
Other: water
200mL- during 2-4hours

Detailed Description:

Objective: To determine the effect of maternal hydration with oral isotonic solution and water on amniotic fluid (AF) index in women with normohydramnios. Subjects and Methods: Women with normal AF index and gestational age between the 33 and 36 weeks without maternal complications were randomized into three groups (isotonic solution, water, control). The isotonic solution and water groups were instructed to drink 1.5L of respective solution; the control group was instructed to drink 200mL of water. AF index was measured before and after hydration. The investigator performing the AF index was blinded to the subject's group. Results: Ninety-nine women completed the study without any maternal adverse effects. The mean increase in amniotic fluid index after hydration was significantly greater in the isotonic solution and water groups (12.1mm, p=0.02; 13.1mm, p=0.05; respectively) than the control group (1.4mm, p=0.74).

There was no significant difference between the isotonic solution and water groups. Hydration with isotonic solution and water improved the chance of 20% of increase of amniotic fluid index in 10.2 (95% CI 1.9-98.9) and 6.0 (95% CI 1.0-45.5) times respectively.

Conclusion: Maternal hydration with isotonic solution or water increased AF index in women with normohydramnios.

  Eligibility

Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • gestational age between 33 and 36 weeks
  • singleton pregnancy
  • intact membranes
  • initial AF index between 5 and 95 per cent

Exclusion Criteria:

  • no maternal complications
  • no fetal structural malformation
  • no evidence of fetal distress on nonstress test
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00635947

Locations
Brazil, São Paulo
School of Medicine of Botucatu--São Paulo State University (Unesp)--
Botucatu, São Paulo, Brazil, 18600
Sponsors and Collaborators
UPECLIN HC FM Botucatu Unesp
Investigators
Principal Investigator: Vera M Borges, PhD School of Medicine of Botucatu--São Paulo State University (Unesp)
  More Information

Publications:
Responsible Party: Department of Obstetrics and Gynaecology - Botucatu Medical School, UNESP ( Vera Therezinha Medeiros Borges )
Study ID Numbers: upeclin/HC/FMB-Unesp-08
Study First Received: March 7, 2008
Last Updated: March 13, 2008
ClinicalTrials.gov Identifier: NCT00635947     History of Changes
Health Authority: Brazil: National Committee of Ethics in Research;   Brazil: National Health Surveillance Agency

Keywords provided by UPECLIN HC FM Botucatu Unesp:
Amniotic fluid index
maternal hydration
isotonic solution
Amniotic Fluid

ClinicalTrials.gov processed this record on May 07, 2009