2021TrialMultiple choice
Q6
1 mark
Question
The hormones progesterone and luteinising hormone (LH) were measured in a woman’s blood over 40 days as shown below: When did her menstrual bleed start?
A. Day 8
B. Day 13
C. Day 21
D. Day 34
Syllabus alignment
Module 5 · Heredity
- ReproductionAnalyse fertilisation, implantation and hormonal control of mammalian pregnancy and birth.