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In Medicine / College | 2025-07-06

Rho-gam is administered to which type of mothers with which type of fetus/infant?
A. Rh -, Rh -
B. Rh -, Rh +
C. Rh +, Rh +
D. Rh +, Rh -

Asked by shalissa24

Answer (2)

Rho-gam is given to Rh-negative mothers with Rh-positive fetuses/infants.
The purpose is to prevent the mother from developing antibodies against the Rh-positive blood.
This prevents potential complications in future pregnancies.
Therefore, the answer is B ​

Explanation

Understanding Rho-gam Rho-gam is administered to prevent Rh-negative mothers from developing antibodies against Rh-positive fetal blood. This occurs when an Rh-negative mother is carrying an Rh-positive fetus. If the mother is exposed to the fetal blood, she may develop antibodies that can attack future Rh-positive fetuses. Rho-gam prevents this sensitization.

Identifying the Correct Scenario The correct scenario for Rho-gam administration is when the mother is Rh-negative (Rh-) and the fetus/infant is Rh-positive (Rh+).

Analyzing the Options Option A: Rh-, Rh- - This is incorrect because there is no risk of Rh sensitization if both mother and fetus are Rh-negative. Option B: Rh-, Rh+ - This is the correct scenario where Rho-gam is needed. Option C: Rh+, Rh+ - This is incorrect because Rh-positive mothers do not need Rho-gam. Option D: Rh+, Rh- - This is incorrect because Rh-positive mothers do not need Rho-gam.

Conclusion Therefore, the correct answer is B. Rh-, Rh+.


Examples
Rho-gam is used in real-world scenarios to prevent hemolytic disease of the fetus and newborn (HDFN). For example, if an Rh-negative mother has an Rh-positive baby, Rho-gam is administered during pregnancy and after delivery to prevent the mother's immune system from attacking future Rh-positive fetuses. This ensures the health and safety of subsequent pregnancies.

Answered by GinnyAnswer | 2025-07-06

Rho-gam is administered to Rh-negative mothers who are carrying Rh-positive fetuses or infants to prevent the development of antibodies that could harm future pregnancies. This injection is typically given around the 28th week of pregnancy and within 72 hours after delivery. Therefore, the correct answer is B: Rh-, Rh+.
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Answered by Anonymous | 2025-07-11

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