Question

(a) Do a summary on FOUR (4) of the latest contraceptive methods for birth control explain what they are, indicate their mode of actions, advantages and disadvantages for each of the 4 examples you choose. The details of summary should be concise and informative. The length of the summary should be less than 500 words and plagiarism no more than 25%.

(b) In your own words explain how people’s ability to control birth influences the evolution processes.

Answer 1

a.

• long-acting reversible contraception, such as the implant or intra uterine device (IUD)
• hormonal contraception, such the pill or the Depo Provera injection.
• barrier methods, such as condoms.
• emergency contraception.

An IUD is a small T-shaped plastic and copper device that's put into your womb (uterus) by a doctor or nurse. It releases copper to stop you getting pregnant, and protects against pregnancy for between 5 and 10 years.

Hormonal methods of birth control (contraception) contain either estrogen and progestin, or progestin only; they are a safe and reliable way to prevent pregnancy for most women. Hormonal methods include an implant, an intrauterine device (IUD), injections, pills, a vaginal ring, and a skin patch.

Barrier methods

• Barrier methods of birth control block sperm from entering the uterus . ...
• Barrier methods include the diaphragm, cervical cap, male condom, and female condom and spermicidal foam, sponges, and film.

emergency contraceptives, works by delaying ovulation and must be taken within 72 hours of unprotected sex, typically sells for about $50 to $60

b.This stops the natural selection The primary rationale for arguing that human evolution has stopped is that human culture has relaxed or even completely eliminated natural selection on certain traits.Thus control of birth by humans results in consequences that stop human evolution.