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Tag: rubella immunity

August 1, 2026

Pregnancy Blood Tests and Prenatal Screening: hCG, Genetic Screening, and Tests by Trimester

A trimester-by-trimester guide to hCG, blood type and Rh, CBC, urine and infection screening, gestational diabetes, thyroid, iron, and prenatal genetic testing.

Pregnancy blood tests and prenatal urine tests are used for several different purposes. Early testing commonly evaluates pregnancy hormone status when needed, blood counts, blood type and Rh factor, unexpected red-cell antibodies, urine bacteria, immunity […]

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August 1, 2026

Infectious Disease Testing: Antibody, Antigen, PCR, NAAT, Immunity Titers, and STI Tests

How Antibody, Antigen, PCR, NAAT, Culture, and Titer Tests Differ—and Why Timing, Vaccination, and Specimen Choice Matter

Infectious disease testing is not one universal blood test. The right choice depends on the suspected organism, exposure date, symptoms, body site, vaccination history, and whether the goal is screening, diagnosing a current infection, confirming […]

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August 1, 2026

Fertility and Preconception Lab Tests: Hormones, Ovulation, Ovarian Reserve, and Male Fertility

How ovarian reserve, ovulation, reproductive hormones, semen analysis, carrier screening, and preconception testing fit into fertility planning

Fertility lab tests and preconception blood tests can answer focused questions about ovulation, ovarian reserve, reproductive hormones, thyroid function, metabolic health, infection risk, immunity, blood type, and selected inherited conditions. They cannot determine fertility by […]

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