A test-tube baby means a baby born whena)It is developed by tissue culture method.b)The ovum is fertilised externally and thereafter implanted in the uterus.c)It is developed in a test tubed)It develops from a non-fertilised egg.Correct answer is option 'B'. Can you explain this answer?

Question

Answer

In this technique the ovum taken from donor female and sperm from male is taken and fertilised in test tube medium to form zygote and then zygote transferred to fallopian tube

Answer

In this technique the ovum taken from donor female and sperm from male is taken and fertilised in test tube medium to form zygote and then zygote transferred to fallopian tube.

Answer

What is a test-tube baby?
A test-tube baby, also known as an in vitro fertilization (IVF) baby, refers to a baby who is conceived outside the woman's body and then implanted into the uterus for further development. This medical procedure is commonly used for couples who struggle with infertility or have certain reproductive issues. The correct answer to the given question is option 'B' - the ovum is fertilized externally and then implanted in the uterus.

Explanation:
1. In vitro fertilization (IVF) process:
- The process of creating a test-tube baby begins with the collection of eggs (ova) from the woman's ovaries. This is done through a minor surgical procedure known as egg retrieval.
- The collected eggs are then mixed with sperm from the male partner or a donor in a laboratory dish. The mixture is incubated overnight to allow fertilization to occur.
- After fertilization takes place, the resulting embryos are monitored for several days to allow them to develop and grow.
- Once the embryos have reached a suitable stage of development, one or more of them are selected for transfer into the woman's uterus. This transfer is typically done using a thin catheter that is inserted through the cervix.
- The transferred embryos then implant themselves into the lining of the uterus, where they further develop and eventually lead to a pregnancy.

2. Why is option 'B' the correct answer?
- Option 'B' states that the ovum is fertilized externally and then implanted in the uterus. This accurately describes the process of in vitro fertilization (IVF), which is the method used to create test-tube babies.
- Options 'A' (developed by tissue culture method), 'C' (developed in a test tube), and 'D' (develops from a non-fertilized egg) are incorrect as they do not reflect the actual process of IVF.
- In IVF, fertilization takes place in a laboratory dish (not a test tube) and the resulting embryos are then transferred to the uterus (not developed by tissue culture or from a non-fertilized egg).
- Therefore, option 'B' is the correct answer as it accurately describes the IVF process used to create test-tube babies.

Conclusion:
A test-tube baby, or an IVF baby, is conceived through the process of in vitro fertilization. The ovum is fertilized externally in a laboratory dish and then transferred to the woman's uterus for further development. This method helps couples who struggle with infertility to have a chance of conceiving and having a baby.

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