1. This is the replacement of oestrogen and progestogen through tablet intake. 2. Oestrogen peaks at about 11 am on the day of proestrus.3. Lumps in breast due to oestrogens in food, NEW STRAITS TIMES- 4. Treatment of the liver is important to eliminate excess oestrogen . 5. Another possible cause could be excessive oestrogen ( compared to progesterone ). 6. The hormone prolactin is downregulated by dopamine and is upregulated by oestrogen . 7. This is known as a " secondary oestrogen surge ". 8. It stops the production of sex hormones ( testosterone and oestrogen ). 9. This study involved patients with oestrogen -receptor-negative breast cancer. 10. Androstenediol is important in fertility as it is the precursor to oestrogen .