Question

 The illustration below shows a summary of the main phases of the human menstrual cycle.

1. Name the process that takes place around the 14th day. 
2. Name two hormones produced at the follicular phase. 
3. Under which two conditions would the cycle be interrupted? 

Answer 1

1. Ovulation
2.  
   1. Follicle stimulating hormone
   2. Oestrogen/Estrogen
   3. Luteinizing hormone  
3.   
   1. Sickness
   2. (Drastic) change in weather/environment.
   3. Pregnancy/Implantation/Conception   
   4. Emotional instability (anger, stress, anxiety).