Starting at about 4 to 5 months of age, young roosters (cockerels) reach sexual maturity, producing sperm and acting like roosters. They can remain fertile for several years, although the quantity and quality of sperm that roosters produce decreases as they age.How...
When does sperm production start in the male? By Zaira Salvador B.Sc., M.Sc. (embryologist). A mam starts to produce spermatozoa and have his first ejaculations when puberty arrives. Thereafter, this sperm production will take place practically throughout a man's life. If you are intereste...
Normally, ovarian follicles contain egg cells, which are released during ovulation. Inpolycystic ovary syndrome, abnormal hormone levels prevent follicles from growing and maturing to release egg cells. ... The number of these follicles usually decreases with age. ...
Cervical Mucus Type 1:Least fertile Many people produce the least amount of cervical mucus immediately after their period.4In fact, you might feel rather dry and not have any discharge at all. "Your chances of getting pregnant are lowest when you're in the type 1 mucus phase of your cycle...
Sperm damage from these treatments can last a long time, if the cells in the testes that produce the sperm have been mutated. Age also appears to have an effect on sperm DNA quality. In normal, healthy men, the testes destroy sperm that exhibits DNA damage. This quality control process ...
Sperm banking may also be recommended to people who are losing fertilitydue to ageor to men who are about to get avasectomy. Other reasons may includetestosterone therapy,sickle cell therapy, or medications that may affect fertility. Also, people with high-risk jobs such as soldiers may want ...
Age:The older you are, the higher your chances of having fraternal twins or higher order multiples. One theory is women age 35 or older produce more follicle-stimulating hormone (FSH) than younger women. FSH is also the hormone that causes an egg to mature in preparation forovulation each ...
The reproductive age for women is shorter than for men (15-45). Pregnancy may take place during this period when the egg is released cyclically. Eggs are limited in women while the sperm cells are produced constantly in men. The development of the female reproductive system begins in the ...
Precum, also called pre-ejaculate, is a clear fluid that comes out of thepenisduring arousal but beforeorgasm. Precum is a lubricant that does not usually contain sperm. However, there may already be sperm in the urethra that mixes with the fluid as it passes through. If precum is released...
In what types of organisms does meiosis occur? What is the name of cells that undergo meiosis? What part of the cell divides during meiosis? What is meiosis? a) When do mitosis and meiosis occur? Does meiosis occur when the sperm fuses with the egg? b) Explain what is spermatogenesis an...