WUSM OB Calc

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There are few clinical decision support tools available for OBGYNs. Those that exist remain web-based and have little value beyond gestational age or Bishop score calculation. To compliment our WUSM OB GUIDE, we introduce the WUSM OB CALC, which provides instant clinical support for five common areas:
1) Determining a patient’s success rate for VBAC
2) Determining the risk for Down syndrome based on the presence of ultrasound markers
3) Management for pregnancy of unknown location
4) Body surface area calculation and methotrexate dosing
5) Intrauterine growth restriction calculation and management

As with the WUSM OB GUIDE, the data to support these models are evidence based and are drawn from the literature and expert opinion. Ultrasound technicians, triage nurses and providers of ALL levels will find this tool useful, not just in OBGYN but also in emergency medicine.

Copyright 2013:
The WUSM OB Calculator is a copyrighted instrument of Washington University, St. Louis , Missouri and the developer Muhammad H. Alsharif.

Permission Statement:
Washington University grants permission to use and reproduce the WUSM OB Calculator exactly as it appears here without modification or editing of any kind solely for end user use in clinical care or research in clinical care or research (the “Purpose”). For the avoidance of doubt, the Purpose does not include the (i) sale, distribution or transfer of the WUSM OB Calculator or copies thereof for any consideration or commercial value; (ii) the creation of any derivative works, including translations; and/or (iii) use of the WUSM OB Calculator as a marketing tool for the sale of any drug.

Disclaimer:
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, OR THAT THE USE OF THE SOFTWARE WILL NOT INFRINGE ANY PATENT COPYRIGHT, TRADEMARK, OR OTHER PROPRIETARY RIGHTS ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Medical Contributors:
Dr. Anthony Shanks, MD, Assistant Professor, Maternal Fetal Medicine
Dr. Kenan Omurtag, MD, Fellow, Reproductive Endocrinology and Infertility

Medical References:

VBAC calculator:
Grobman WA, et al. Development of a nomogram for prediction of vaginal birth after cesarean delivery. Obstet Gynecol. 2007;109:806-12.

Down Syndrome:
Nyberg DA et al. Isolated Sonographic Markers for Detection of Fetal Down Syndrome in the Second trimester of pregnancy. 2001;20:1053-63.

Ectopic Calculator:
Condous G, Okaro E, Khalid A, Bourne T. Do we need to follow up complete miscarriages with serum human chorionic gonadotrophin levels? BJOG 2005;112:827- 829.
Barnhart KT, Sammel MD, Gracia CR, Chittams J, Hummel AC, Shaunik A. Risk factors for ectopic pregnancy in women with symptomatic first- trimester pregnancies. Fertil Steril 2006;86:36-43.
Barnhart KT. Clinical practice. Ectopic pregnancy. 2009;361:379-87
Barnhart KT, Sammel MD, Rinaudo PF, Zhou L, Hummel AC, Guo W. Symptomatic patients with an early viable intrauterine pregnancy: HCG curves redefined. Obstet Gynecol 2004;104:50-5
Additional – See in app data

BSA /MTX Calculator:
The Mosteller Formula: http://www.halls.md/body-surface-area/refs.htm
ACOG Practice Bulletin. Medical management of ectopic pregnancy. Obstet Gynecol 2008; 111:1479-85.