NEET PG DENTAL EXAM

EMBRYOLOGY

FERTILISATION EARLY DEVELOPMENT OF EMBRYO AND IMPLANTATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements is correct?
A
hCG is a protein hormone that is produces in the mass of tissue called the syncytiotrophoblast and helps to maintain the pregnancy
B
hCG is a steroid hormone that is produced in the ovary and helps maintain the pregnancy
C
hCG is a protein hormone that is produced in the mass of tissue called the Corpus luteum
D
hCG is a steroid hormoe that is produced in the ovary and helps to maintain the pregnancy
Explanation: 

Detailed explanation-1: -A pregnancy test measures a hormone in the body called human chorionic gonadotropin (HCG). HCG is a hormone produced during pregnancy. It appears in the blood and urine of pregnant women as early as 10 days after conception.

Detailed explanation-2: -The syncytiotrophoblast produces both protein and steroid hormones which are released into the maternal blood (M). Human chorionic gonadotrophin (hCG) is aglycoprotein hormone synthesized in the rough ER (arows) of syncytiotrophoblasts immediately after implantation of the blastocyst into the uterine wall.

Detailed explanation-3: -Low levels of hCG may be detected in your blood around 8 to 11 days after conception. hCG levels are highest towards the end of the first trimester, then gradually decline over the rest of your pregnancy.

There is 1 question to complete.