Reasons Periods Are Irregular Or Missing. Although the average menstrual cycle is 28 days with 7 days of bleeding, itâs important to remember that this is just an average. Some women may get a period every 3 weeks or every 6 weeks. And the period may last anywhere from 2 days through to 14 days.
Definitions for immunological. Here are all the possible meanings and translations of the word immunological. Princeton's WordNet(0.00 / 0 votes)Rate this definition: immunological, immunologic(adj) of or relating to immunology.
Definition. Immunoassays are chemical tests used to detect or quantify a specific substance, the analyte, in a blood or body fluid sample, using an immunological reaction. Immunoassays are highly sensitive and specific.igh sensitivity is achieved by using an indicator system (e.g., enzyme label) that results in amplification of the measured product. Immunoassays may be qualitative (positive or negative) or quantitative (amount measured). An example of a qualitative assay is an immunoassay test for pregnancy.