Health Library

Reviewed 3/11/2024

Sources

• American Pregnancy Association. "Fetal Development: First Trimester." https://americanpregnancy.org/healthy-pregnancy/pregnancy-health-wellness/first-trimester-of-pregnancy/.
• BabyMed.com. "Pregnancy Calculator and Calendar." http://44.219.129.13/pregnancy-due-date-conception-calendar-and-calculator-week-by-week.
• March of Dimes. "Target Heart Rates Chart." https://www.marchofdimes.org/calculating-your-due-date.

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