5.3 Hormonal coordination in humans

EasyMediumHard
12345678910111213141516171819202122
Question 20
Medium

Table 1 gives information about three different methods of contraception.

Method of contraceptionNumber of pregnancies per 100 women in one yearFeatures and possible side effects
Hormonal implant0.050.050.05Lasts for 333 years; releases hormones; can cause mood swings or irregular bleeding.
Diaphragm with spermicide121212Must be inserted before sex; no hormones; can cause urinary tract infections.
Copper IUD0.80.80.8Lasts for up to 101010 years; no hormones; can make periods heavier or more painful.

A woman is choosing a contraceptive method. She wants a method that:

  • has a low pregnancy rate (fewer than 222 pregnancies per 100 women per year)
  • does not use hormones (to avoid mood swings)
  • does not require daily memory or preparation immediately before sex
a.

Identify which method of contraception from Table 1 best meets all of her requirements.

[1]
b.

Suggest two disadvantages of the chosen method, using information from Table 1 and your own knowledge.

[2]

5.3 Hormonal coordination in humans Questions

  1. GCSE
  2. /Biology
  3. /5.3 Hormonal coordination in humans