Using the following terms, trace the pathway of sperm fromt the testes to the urethra: rete testis, epididymis, seminiferous tubule, ductus deferens.n humans, the ductus deferens is joined by the duct of the seminal vessicles to form the ejaculatory duct, which enters the prostate. Seminal vesicles are not present in the cat.
Most doctors recommend that you wait until the first day of your missed period before taking a urine pregnancy test. This is usually about two weeks after conception. However, some tests are more sensitive than others and can be taken earlier.
I had a close call once, shortly after I had my daughter. My doctor told me to wait at least two weeks from the time I had unprotected sex before coming in to get tested. Although most OTC tests suggest that you wait until you've missed your test. But arizona is right, there are early detection tests that can test up to five days (I believe) before your missed period.