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Diakses pada 24 Juli 2020Healthline. https://www.healthline.com/health/womens-health/pms-symptoms-vs-pregnancy-symptoms#breast-pain
Diakses pada 24 Juli 2020What To Expect. https://www.whattoexpect.com/pregnancy/symptoms-and-solutions/bloating.aspx
Diakses pada 24 Juli 2020NHS. https://www.nhs.uk/start4life/pregnancy/week-by-week/1st-trimester/week-11/
Diakses pada 24 Juli 2020