Assisted reproduction may up risk of placental anomalies

May 15, 2018

(HealthDay)—Among singleton pregnancies, assisted reproductive technology (ART) is associated with an increased risk of placental anomalies, according to a review published online May 8 in BJOG: An International Journal of Obstetrics & Gynaecology.

Belinda G. Vermey, from the University of New South Wales in Sydney, and colleagues conducted a systematic literature review and meta-analysis of studies evaluating whether ART singleton pregnancies are associated with an increased risk of placental anomalies versus non-ART singleton pregnancies.

Based on 33 low- to moderate-quality studies (124,215 ART and 6,054,729 non-ART singleton pregnancies), the risk of , , and morbidly adherent placenta was higher in ART versus spontaneously conceived pregnancies (odds ratios [ORs], 3.76, 1.87, and 2.27, respectively). Similarly, risk of placenta previa and placental abruption was higher in ART than in non-ART (subfertile patients; OR, 2.51 and 1.61, respectively). Among frozen-embryo transfer ART pregnancies, risk of placenta previa was higher, but not significantly, versus spontaneously conceived pregnancies (OR, 2.42; 95 percent confidence interval, 0.63 to 9.3).

"Singleton ART pregnancies are associated with an increased risk of placental anomalies compared with non-ART singleton pregnancies," the authors write.

Explore further: ART conception tied to increased odds of maternal morbidity

More information: Abstract/Full Text

Related Stories

ART conception tied to increased odds of maternal morbidity

December 17, 2015
(HealthDay)—For singleton pregnancies, conception with assisted reproductive technology (ART) is associated with increased risk of severe maternal morbidity, according to a study published in the January issue of Obstetrics ...

C-sections linked to long-term risks and benefits

January 23, 2018
Compared to vaginal deliveries, caesarean deliveries are associated with a decreased risk of urinary incontinence and pelvic prolapse, but an increased risk of miscarriage or placenta previa in future pregnancies. Those are ...

Fibroid tumors not risk factor in twin pregnancies

January 30, 2013
(HealthDay)—There does not appear to be an increased risk for complications in twin pregnancies with fibroid tumors compared with those without fibroid tumors, according to research published in the January issue of the ...

Hyperemesis gravidarum during the second trimester is more likely to cause placental complications

January 29, 2013
Pregnancies complicated by hyperemesis gravidarum in the second trimester of pregnancy are at a much higher risk of associated placental dysfunction disorders such as placental abruption and small for gestational age babies ...

Advanced MRI can detect placental perfusion abnormalities in pregnancies complicated by fetal CHD

January 5, 2018
In pregnancies complicated by fetal congenital heart disease (CHD), global placental perfusion was significantly decreased and regional variation of placental perfusion significantly increased as pregnancies progressed, findings ...

Psychostimulant use tied to placental complications

November 15, 2017
(HealthDay)—Psychostimulant use during pregnancy is associated with a small increased relative risk of preeclampsia and preterm birth, according to a study published online Nov. 7 in Obstetrics & Gynecology.

Recommended for you

Why mothers in mainland China, Hong Kong and Taiwan choose cesarean delivery

October 16, 2018
Pregnant women in mainland China, Hong Kong, and Taiwan are more likely to express preference for cesarean section (CS) as their mode of delivery later in pregnancy and postpartum, as compared to early in pregnancy, according ...

Importance of cell cycle and cellular senescence in the placenta discovered

October 15, 2018
Working with researchers from Stanford University and St. Anna Children's Cancer Research, researchers from Jürgen Pollheimer's laboratory at the Medical University of Vienna's Department of Obstetrics and Gynecology have ...

C-section rates have nearly doubled since 2000: study

October 12, 2018
(HealthDay)—The number of women delivering babies via cesarean section has nearly doubled worldwide since 2000, to about 21 percent, new research shows.

Study of nearly 41,000 women who almost died giving birth shows who's most at risk

October 10, 2018
Tens of thousands of American women each year need emergency treatment to save their lives while they deliver their babies, or immediately after. A new study shows how much their risk of a life-threatening birth depends on ...

In childbirth, when to begin pushing does not affect C-section rates

October 9, 2018
More than 3 million women in the United States give birth each year. But obstetricians have differing opinions about when women should begin pushing during labor and whether the timing of pushing increases the likelihood ...

Why single embryo transfer during IVF sometimes results in twins or triplets

October 8, 2018
It has been known for some time that it is better to transfer a single embryo to a woman's womb during assisted reproduction treatment (ART) rather than several embryos in order to avoid a multiple pregnancy and the risks ...

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.