Life Sciences P1 · Human reproduction
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The table shows the concentrations of two hormones in the blood of a healthy woman during one menstrual cycle.
Day | Oestrogen (pg/mℓ) | Progesterone (ng/mℓ)
3 | 50 | 0,20
7 | 75 | 0,04
10 | 270 | 0,04
13 | 310 | 0,04
15 | 150 | 3,5
18 | 105 | 13,0
22 | 85 | 16,0
25 | 60 | 4,5
28 | 55 | 0,7
2.2.51 mark
Describe how the progesterone level after day 24 would be different if this female had become pregnant during this cycle.
NSCBased on Nov 2024 · Paper 1 · Q2.2.5
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