Types

• Progesterone is one of the steroid hormones. In conjunction with estrogens, it regulates the reproductive tract functions during the menstrual cycle. It is secreted by the corpus luteum and by the placenta and is responsible for preparing the body for pregnancy and, if pregnancy occurs, maintaining it until birth
• Progesterone secret...

Description

Adult Males : 

• 0.28 – 1.22 ng/dl

Adult Females –

Ovulatory cycles

• Follicular Phase : 0.15 – 1.40 ng/dl
• Luteal Phase : 3.34 – 25.56 ng/dl
• Midluteal : 4.44 – 28.03 ng/dl
• Postmenopausal females : ND - 0.73 ng/dl 

Pregnant Females

• First trimester : 11.22 – 90.00 ng/dl
• Second trimester : 25.55 – 89.40 ng/dl
• Third trimester : 48.40 – 422.50 ng/dl

Paediatric normal range

• 12 -20 yrs : 5 -180 ng/dl

When to get Tested

• When symptoms such as abdominal pain and spotting, suggest an ectopic pregnancy or threatened miscarriage
• To determine when ovulation has occurred and following drug therapy to induce ovulation
• Abnormal uterine bleeding in non pregnant woman

Elevated Level

• Luteal phase of menstrual cycle
• Luteal cysts of the ovary
• Ovarian tumours
• Adrenal tumours
• Congenital Adrenal Hyperplasia

Decreased Level

• Amenorrhoea
• Foetal death
• Threatened abortion
• Toxaemia of pregnancy
• Gonadal agenesis
• Ectopic Pregnancy