Menstrual cycle

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Mehvish

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FSH 
Secreted by the pituitary gland in the brain, travels in the blood to the ovaries and stimulates follicles
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Estrogen 
Produced by the maturing follicles inside the ovaries, this hormone causes the uterus to build up and inhibits the production of FSH
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FSH stimulates 
Estrogen production
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LH 
When the ovaries are producing too much estrogen, LH is detected by the brain which then stops producing FSH and instead produces LH, triggering ovulation and the release of an egg
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After ovulation 
1. The follicle becomes a corpus luteum and starts to produce progesterone
2. Progesterone helps maintain the uterine lining
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If the egg is not fertilised 
The corpus luteum breaks down and progesterone levels drop
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Menstrual cycle

Cards (6)

5.3.5 The Menstrual Cycle

5.3.5 The Menstrual Cycle

2.6.1 Cell cycle

7.2.2 The Carbon Cycle

5.1 The Water Cycle

The product life cycle:

5.1.2 Light-Independent Reactions (Calvin Cycle)

Unit 4: Cell Communication and Cell Cycle

7.3.2 Cardiac Cycle

9.2.2 Nitrogen Cycle

1.1. The Water Cycle

1.4.2 The Rock Cycle

13.2.1 Constructing Born-Haber Cycles

1.2.1 The Water Cycle

4.7 Regulation of Cell Cycle

2.1.1 Stages of the Cell Cycle

1.2. The Carbon Cycle

4.1.3 The Nitrogen Cycle

9.2.1 Carbon Cycle

10.2 Life cycle assessment and recycling

7.2.3 The Water Cycle