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Title Date

Method for Estimating Due Date

Number 611

(See also Committee Opinion No. 579)

ABSTRACT: Accurate dating of pregnancy is important to improve outcomes and is a research and public health imperative. As soon as data from the last menstrual period, the first accurate ultrasound e...

October 2014

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Management of Pregnant Women With Presumptive Exposure to Listeria monocytogenes

Committee Opinion Management of Pregnant Women With Presumptive Exposure to Listeria monocytogenes ABSTRACT: Listeriosis is predominantly a foodborne illness, with sporadic and outbreak-related cas...

August 2014


Definition of Term Pregnancy

Number 579

ABSTRACT: In the past, the period from 3 weeks before until 2 weeks after the estimated date of delivery was considered “term,” with the expectation that neonatal outcomes from deliveries in this int...

November 2013

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Magnesium Sulfate Use in Obstetrics

Number 573

ABSTRACT: The U.S. Food and Drug Administration advises against the use of magnesium sulfate injections for more than 5–7 days to stop preterm labor in pregnant women. Based on this, the drug classif...

September 2013

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Hospital Disaster Preparedness for Obstetricians and Facilities Providing Maternity Care

Members Only

Number 555

March 2013

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Maternal–Fetal Surgery for Myelomeningocele

Number 550

ABSTRACT: Myelomeningocele, the most severe form of spina bifida, occurs in approximately 1 in 1,500 births in the United States. Fetuses in whom myelomeningocele is diagnosed typically are delivered...

January 2013

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Weight Gain During Pregnancy

Number 548

ABSTRACT: The updated guidelines by the Institute of Medicine regarding gestational weight gain provide clinicians with a basis for practice. Health care providers who care for pregnant women should ...

January 2013

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Noninvasive Prenatal Testing for Fetal Aneuploidy

Number 545

ABSTRACT: Noninvasive prenatal testing that uses cell free fetal DNA from the plasma of pregnant women offers tremendous potential as a screening tool for fetal aneuploidy. Cell free fetal DNA testin...

December 2012

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Timing of Umbilical Cord Clamping After Birth

Number 543

ABSTRACT: The optimal timing for clamping the umbilical cord after birth has been a subject of controversy and debate. Although many randomized controlled trials in term and preterm infants have eval...

December 2012

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Lead Screening During Pregnancy and Lactation

Number 533

ABSTRACT: Prenatal lead exposure has known adverse effects on maternal health and infant outcomes across a wide range of maternal blood lead levels. Adverse effects of lead exposure are being identif...

August 2012

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Compounded Bioidentical Menopausal Hormone Therapy

Number 532

(Reaffirmed 2014, Replaces No. 387, November 2007 and No. 322, November 2005)

ABSTRACT: Although improvement in long-term health is no longer an indication for menopausal hormone therapy, evidence supporting fewer adverse events in younger women, combined with its high overall...

August 2012

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Access to Postpartum Sterilization

Number 530

(Reaffirmed 2014)

ABSTRACT: Postpartum tubal sterilization is one of the safest and most effective methods of contraception. Women who desire this type of sterilization typically undergo thorough counseling and inform...

July 2012

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Placenta Accreta

Number 529

(Reaffirmed 2014)

ABSTRACT: Placenta accreta is a potentially life-threatening obstetric condition that requires a multidisciplinary approach to management. The incidence of placenta accreta has increased and seems to...

July 2012

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Opioid Abuse, Dependence, and Addiction in Pregnancy

Number 524

(Reaffirmed 2014)

ABSTRACT: Opioid use in pregnancy is not uncommon, and the use of illicit opioids during pregnancy is associated with an increased risk of adverse outcomes. The current standard of care for pregnant ...

May 2012

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Emergent Therapy for Acute-Onset Severe Hypertension with Preeclampsia and Eclampsia

Number 514

ABSTRACT: Acute-onset, persistent (lasting 15 minutes or more), severe systolic (greater than or equal to 160 mm Hg) or severe diastolic hypertension (greater than or equal to 110 mm Hg) or both in p...

December 2011

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Maternal-Fetal Intervention and Fetal Care Centers

Number 501

ABSTRACT: The past two decades have yielded profound advances in the fields of prenatal diagnosis and fetal intervention. Although fetal interventions are driven by a beneficence-based motivation to ...

August 2011

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Sulfonamides, Nitrofurantoin, and Risk of Birth Defects

Number 494

(Reaffirmed 2013)

Abstract: The evidence regarding an association between the nitrofuran and sulfonamide classes of antibiotics and birth defects is mixed. As with all patients, antibiotics should be prescribed for pr...

June 2011

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Nonobstetric Surgery During Pregnancy

Number 474

(Reaffirmed 2013, Replaces No. 284, August 2003)

ABSTRACT: The American College of Obstetricians and Gynecologists' Committee on Obstetric Practice acknowledges that the issue of nonobstetric surgery during pregnancy is an important concern for phy...

February 2011

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Smoking Cessation During Pregnancy

Number 471

(Reaffirmed 2013, Replaces No. 316, October 2005)

ABSTRACT: Smoking is the one of the most important modifiable causes of poor pregnancy outcomes in the United States, and is associated with maternal, fetal, and infant morbidity and mortality. The p...

November 2010

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Air Travel During Pregnancy

Number 443

(Replaces No. 264, December 2001)

ABSTRACT: In the absence of obstetric or medical complications, pregnant women can observe the same precautions for air travel as the general population and can fly safely. Pregnant women should be i...

October 2009

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