Editing Pregnancy test (section)

{{Short description|Test based on scientific data to determine if a person is pregnant}}
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[[File:Pregnancy Test Positive.jpg|thumb|A modern hormone pregnancy test, showing a positive result]]
[[File:Pregnancy test series starting to show positive.jpg|thumb|A series of pregnancy test strips, taken one per day at the beginning of a pregnancy]]
A '''pregnancy test''' is used to determine whether a person is [[Pregnancy|pregnant]] or not. The two primary methods are testing for the pregnancy hormone ([[human chorionic gonadotropin]] (hCG)) in blood or urine using a pregnancy test kit, and scanning with [[Medical ultrasound|ultrasonography]].<ref>{{Cite journal|last=Chard|first=T.|date=1992|title=REVIEW: Pregnancy tests: a review|url=https://academic.oup.com/humrep/article/631514/REVIEW:|journal=Human Reproduction|language=en|volume=7|issue=5|pages=701–710|doi=10.1093/oxfordjournals.humrep.a137722|pmid=1639991|issn=1460-2350}}</ref> Testing blood for hCG results in the earliest detection of pregnancy.<ref name=":222">{{Cite book|last1=Casanova|first1=Robert|title=Beckmann and Ling's obstetrics and gynecology|last2=Weiss|first2=Patrice M.|date=April 2018|last3=Chuang|first3=Alice|last4=Goepfert|first4=Alice R.|last5=Hueppchen|first5=Nancy A.|isbn=978-1-4963-5309-2|edition=8th|publisher=Wolters Kluwer|location=Philadelphia|oclc=949870151}}</ref> Almost all pregnant people will have a positive urine pregnancy test one week after the first day of a missed menstrual period.<ref name=":02">{{Cite web|title=Clinical manifestations and diagnosis of early pregnancy|url=https://www.uptodate.com/contents/clinical-manifestations-and-diagnosis-of-early-pregnancy|last1=Bastian|first1=Lori A|last2=Brown|first2=Haywood L|date=November 2019|website=UpToDate}}</ref>