Abortion Clinical Trial
Official title:
Gestational Age is Underestimated by Menstrual Dating Compared to Ultrasound Dating in Those Undergoing Abortion up to 20 Weeks
NCT number | NCT00884403 |
Other study ID # | H08-01332 |
Secondary ID | |
Status | Terminated |
Phase | |
First received | |
Last updated | |
Start date | September 2008 |
Est. completion date | June 2009 |
Verified date | May 2018 |
Source | University of British Columbia |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Several large trials report gestational dating by last menstrual period (LMP) overestimates gestational age (GA) vs. ultrasound (US) by approximately one week. Previous studies examined only term pregnancies. The investigators hypothesize an opposite tendency in women seeking abortion. This is an observational study undertaken by chart review.
Status | Terminated |
Enrollment | 415 |
Est. completion date | June 2009 |
Est. primary completion date | June 2009 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Included charts of women who obtained abortion up to twenty weeks gestational age must have a stated LMP date, a pre-operative ultrasound, a viable pregnancy at the time of the abortion and an assessment of the gestational age of the products of conception. |
Country | Name | City | State |
---|---|---|---|
Canada | BC Women's Hospital CARE Program | Vancouver | British Columbia |
Lead Sponsor | Collaborator |
---|---|
University of British Columbia | Women's Health Research Institute of British Columbia |
Canada,
Norman WV, Bergunder J, Eccles L. Accuracy of gestational age estimated by menstrual dating in women seeking abortion beyond nine weeks. J Obstet Gynaecol Can. 2011 Mar;33(3):252-7. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Difference between actual gestational age assessed by pre-operative ultrasound and gestational age estimated by menstrual dating | 1 year | ||
Secondary | Correlation of the difference between AGA and LMP dating with demographic and obstetrical history factors. | 1 year |
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