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Chapter 16: Problem 6

What is the role of the corpus luteum during early pregnancy? a. It produces the hormones that will support the early pregnancy. b. The fertilized egg will implant in the corpus luteum. c. The corpus luteum nourishes the rapidly growing embryo. d. The corpus luteum protects the fertilized egg during its transport to the uterus.

Short Answer

Expert verified
a. It produces the hormones that will support the early pregnancy.

Step by step solution

01

- Understand the Function

Identify the function of the corpus luteum. The corpus luteum is a temporary endocrine structure in female ovaries that is involved in the production of hormones during the early stages of pregnancy.
02

- Identify the Hormones

Determine which hormones the corpus luteum produces. The corpus luteum secretes progesterone and some estrogen, which are crucial for maintaining the uterine lining and supporting early pregnancy.
03

- Analyze the Options

Review the given options: a) It produces the hormones that will support the early pregnancy. b) The fertilized egg will implant in the corpus luteum. c) The corpus luteum nourishes the rapidly growing embryo. d) The corpus luteum protects the fertilized egg during its transport to the uterus. Option (a) is correct because it matches the function and hormonal production role of the corpus luteum.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Hormone Production
The corpus luteum plays a crucial role during early pregnancy by producing essential hormones. It is a temporary endocrine structure in the female ovaries. Once ovulation occurs, the ruptured follicle transforms into the corpus luteum. This structure begins to secrete important hormones.
The main hormones produced include progesterone and some estrogen. These hormones are vital for maintaining and preparing the body for pregnancy. Without the adequate production of these hormones, the early stages of pregnancy cannot be supported effectively.
Progesterone
Among the hormones produced by the corpus luteum, progesterone is particularly important. Progesterone has several critical functions in early pregnancy.
It helps maintain the uterine lining. This thickened lining is essential for the fertilized egg to implant and grow. Progesterone also prevents the uterine muscles from contracting, which could otherwise lead to the expulsion of the fertilized egg.
In addition to these functions, progesterone supports the formation of new blood vessels, ensuring that the developing embryo receives enough oxygen and nutrients.
Early Pregnancy Support
The hormones produced by the corpus luteum are crucial for supporting early pregnancy. These hormones help create an optimal environment for the developing embryo.
Without the support from the corpus luteum's hormones, the uterine lining might not be adequately prepared, risking the pregnancy. Furthermore, the corpus luteum's hormones signal to the body that pregnancy has occurred, preventing the start of a new menstrual cycle.
This creates a stable environment, which is crucial for the fetus during its initial development stages.
Uterine Lining Maintenance
Maintaining the uterine lining is one of the key roles of the corpus luteum during early pregnancy. The thickened uterine lining, or endometrium, is essential for the fertilized egg to implant.
With the influence of progesterone, the lining remains thick and relatively stable. This prevents any contractions or shedding that could disturb the embryo's development.
Without appropriate maintenance of the uterine lining, the embryo may not be able to implant properly, leading to issues in the early stages of pregnancy. Therefore, the corpus luteum plays an indispensable role in this process.

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Most popular questions from this chapter

Which of the following statements about oocytes and ovulation is correct? a. The production of primary oocytes continues in women from the onset of puberty until the onset of menopause. b. Meiotic divisions are complete at the time of ovulation. c. At ovulation, the structure released from the follicle includes a secondary oocyte and polar body. d. All of these statements are correct.

Which structure helps to expel the baby during labor? a. myometrium b. cervix c. endometrium d. vulva

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