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Luteal phase last for how many days?

a)

15-20 days

b)

15-28 days

c)

15-25 days

d)

15-22 days



Question ID - 7069 | SaraNextGen Top Answer

Luteal phase last for how many days?

a)

15-20 days

b)

15-28 days

c)

15-25 days

d)

15-22 days

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Luteal phase last for 15-28 days

Menstrual cycle

Phases

Days

Events

Menstrual phase

1-5

Endometrium breaks down, menstruation begins. The cells of endometrium, secretions, blood and the unfertilized ovum constitute the menstrual flow. Progesterone and LH production is reduced

Follicular phase (proliferative phase)

6-13

Endometrium rebuilds, FSH secretion and oestrogen’s secretion increase

Ovulatory phase

14

Both LH and FSH attain a peak level. Concentration of oestrogen in the blood is also high and reaches its peak, Ovulation occurs

Luteal phase (secretory phase)

15-28

Corpus luteum secretes progesterone. Endometrium thickens and uterine glands become secretory

127 votes


127