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Maternal elevated lead exposure is associated with an increased risk for intergenerational overweight or obesity

Maternal Lead Exposure Tied to Obesity Risk in Offspring

However, adequate maternal folate status appears to mitigate risk
Infants born to women who have undergone Roux-en-Y gastric bypass surgery have a lower risk for major birth defects than those born to matched control women

Gastric Bypass Linked to Lower Risk for Major Birth Defects

Major birth defects recorded in 3.4 percent of infants born to mothers with gastric bypass surgery
Very low or very high weight gains during twin pregnancies are associated with adverse birth outcomes

Too Much, Too Little Weight Gain May Harm Twin Pregnancies

Study informs guidance for ranges of safe, unsafe weight gain in twin pregnancies
Hypertensive disorders of pregnancy

Pregnancy-Related Hypertension Increases Later Heart Disease Risk

Increased cardiovascular risk evident soon after affected pregnancy
The U.S. Preventive Services Task Force (USPSTF) recommends against screening for bacterial vaginosis in pregnant women who are not at increased risk for preterm delivery; for pregnant women at increased risk for preterm delivery

Screening for Bacterial Vaginosis in Pregnancy Not Advised

USPSTF finds no net benefit from screening among those not at increased risk for preterm delivery
Many pregnant women do not receive the recommended flu and tetanus toxoid

Only Half of Pregnant Women Receive Recommended Vaccines

Influenza and whooping cough remain a major source of hospitalizations among pregnant women, infants
Back sleeping in late pregnancy is independently associated with lower birth weight

Back Sleeping in Late Pregnancy Linked to Lower Birth Weight

Authors say this is a modifiable risk and campaigns should target third-trimester side sleeping
Persistent or increased exposure to high levels of air pollutants may increase the risk for preterm birth

Changes in Air Pollution Levels May Affect Risk for Preterm Birth

For second pregnancy, risk higher among low-risk women with high, persistent air pollution exposure
Hyperemesis gravidarum is associated with a higher risk for autism spectrum disorder

Hyperemesis Gravidarum Linked to Autism Spectrum Disorder

Rates of ASD increased for children exposed to HG in utero; risk up for boys, girls, whites, Hispanics
Initiation of isoniazid preventive therapy during pregnancy is associated with increased risks versus initiation during the postpartum period

Isoniazid Tx to Prevent TB Ups Risks During HIV+ Pregnancy

Deferring treatment until after delivery appears to be safer option