PSY354H5 Lecture Notes - Lecture 6: Ovulation, Fetus, Petri Dish
Document Summary
Conceptus implanted on the uterine wall is when pregnancy occurs. Hormones in the blood and urine (hcg) Uterine starts to secrete hcg to stop the process of the menstrual cycle. No, but it could be; not absolute sign. Many women have irregular periods, the period could be interrupted by other factors. Pathology or disease in the body (stressor in the body itself) Stress is a big contributor (heavy or very little, or skip altogether) Embryos start to secrete hcg (instead of embryos, use conceptus as correct term) First test region that says positive or negative; there"s another antihcg and the binding to it, the enzyme (green circle) will go through chemical reactions, if there"s binding, it means positive, if not, negative. Control region: allows for entire complex to show whether binding occurs or not (if the test is working or not) Young fertile couple without contraception, 93% chance of pregnancy within one week.
