Question

lo 7.1. what are the hormones that regulate the menstrual cycle and prepare the body for pregnancy in females?
growth hormone and prolactin
estrogen and progesterone
thyroxine and triiodothyronine
testosterone and cortisol
adrenaline and noradrenaline

Explanation:

• Growth hormone is related to growth and development, prolactin is for milk production.
• Estrogen and progesterone are key in menstrual cycle (e.g., estrogen thickens uterine lining, progesterone maintains it) and pregnancy (supporting embryo implantation etc.).
• Thyroxine and triiodothyronine are thyroid hormones for metabolism.
• Testosterone is male - related (though females have small amounts, not main in menstrual cycle/pregnancy here), cortisol is stress - related.
• Adrenaline and noradrenaline are for fight - or - flight response.

Answer:

Estrogen and progesterone