Sex hormones are responsible of the most dramatic changes that occur in the body. They control puberty, egg and sperm production, pregnancy, birth and lactation.
- Read the information about Puberty HERE.
- State the female and male hormones which are responsible for the development of the secondary sexual characteristics
- Build a comparison table between the changes that occur in male and female after puberty.
- Search in the internet and summarize the site of production and effects of the following sex hormones:
– FSH, LH, oestrogen, progesterone, oxytocine, Hcg, prolactine and testosterone.
5. The chart shows the ages at which the changes associated with puberty take place in boys and girls. Answer questions a, b, c, d and e.
(a) What is the most common age at which boys undergo the changes of puberty?
(b) If a girl had not started menstruation by the age of 15, would this be cause for concern?
(c) Which two features of puberty show the greatest range in the times at which they occur.
(d) Is it unusual for a girl of 9 years to start her menstrual periods?
(e) On average, is it boys or girls who first show the onset of puberty?