Baby Aspirin In Pregnancy - Should You Be Taking It?

In this episode you'll learn why we prescribe baby aspirin, who should take it and how much.

Low-dose aspirin (81 mg/d a.k.a. baby aspirin) reduces the frequency of preeclampsia, as well as related adverse pregnancy outcomes (preterm birth, growth restriction), by approximately 10-20%.

Low-dose aspirin should be started after 12 weeks and ideally before 16 weeks and continued daily until delivery.

Low-dose aspirin is recommended for:

• Pregnant individuals with one or more of the following risk factors:
• History of preeclampsia
• Carrying more than one baby (twins, triplets, etc)
• High blood pressure that was present before pregnancy (chronic hypertension)
• Type 1 or 2 diabetes that was present before pregnancy
• Kidney disease
• Autoimmune disease (ie, systemic lupus erythematous, antiphospholipid syndrome)

Pregnant individuals with 2 or more of the following risk factors:

• Having your 1st baby
• Obesity (ie, body mass index ＞ 30)
• Family history of preeclampsia (ie, mother or sister)
• Black race (as a proxy for underlying racism)
• Lower income
• Age 35 years or older
• Personal history factors (eg, low birth weight or small for gestational age, previous adverse pregnancy outcome, ＞10-year pregnancy interval)
• In vitro fertilization

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