Which of the following hormones are secreted ir- large quantities during pregnancy in women?

Options

A. LH, estrogen and estradiol
B. hCG, progesterone, estradiol and FSH
C. hCG and hPL
D. hCG, hPL, progesterone, estrogen and LH

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks which hormones are secreted in large quantities during pregnancy in women.

2. **Identifying the Role of the Placenta:**
During pregnancy, the placenta forms and acts as a temporary endocrine gland. It is responsible for the secretion of various hormones that support the pregnancy.

3. **Listing the Key Hormones:**
The hormones secreted by the placenta include:
- Human Chorionic Gonadotropin (HCG)
- Human Placental Lactogen (HPL)
- Progesterone
- Estrogens (such as Estradiol)
- Relaxin

4. **Analyzing the Options:**
- **Option 1:** LH (Luteinizing Hormone) - This hormone does not increase during pregnancy; it is involved in ovulation.
- **Option 2:** HCG, Progesterone, Estradiol, FSH (Follicle Stimulating Hormone) - FSH is not secreted in large amounts during pregnancy.
- **Option 3:** HCG, HPL, Progesterone, Estradiol - All these hormones are indeed secreted in large quantities during pregnancy.
- **Option 4:** HCG, HPL, Progesterone, LH - LH is not secreted in large quantities during pregnancy.

5. **Conclusion:**
The correct answer is **Option 3**, which includes HCG, HPL, Progesterone, and Estradiol, as these hormones are secreted in large quantities during pregnancy.

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