5 doctors weighed in:

If you have chicken pox during early pregnancy, is your baby then immune to chicken pox?

5 doctors weighed in
Dr. Joseph Eastern
Dermatology
3 doctors agree

In brief: No.

Early in pregnancy (first 3 months), there is very little chance that the fetus will develop chickenpox, and even then, fetuses don't have an immune system yet and can't develop immunity.
Chickenpox later in pregnancy can be serious business, however. Even if you're early, you need to inform your obstetrician, who may wish to treat you with Acyclovir even though risks at that stage are small.

In brief: No.

Early in pregnancy (first 3 months), there is very little chance that the fetus will develop chickenpox, and even then, fetuses don't have an immune system yet and can't develop immunity.
Chickenpox later in pregnancy can be serious business, however. Even if you're early, you need to inform your obstetrician, who may wish to treat you with Acyclovir even though risks at that stage are small.
Dr. Joseph Eastern
Dr. Joseph Eastern
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Dr. Martin Raff
Internal Medicine - Infectious Disease
1 doctor agrees

In brief: No

Baby has a limited time period after birth in which it is immune to vz-virus which causes chickenpox.
This is because of passive transfer of antibodies from mother to fetus, but does not last very long. Once baby has cleared these antibodies they become susceptible to the virus.

In brief: No

Baby has a limited time period after birth in which it is immune to vz-virus which causes chickenpox.
This is because of passive transfer of antibodies from mother to fetus, but does not last very long. Once baby has cleared these antibodies they become susceptible to the virus.
Dr. Martin Raff
Dr. Martin Raff
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Dr. James Ferguson
Pediatrics

In brief: Yes/no

Chickenpox in early pregnancy rarely injures the fetus but can produce odd skin defects.
The antibodies mom develops after the infection will be shared with the fetus, but disappear within the first 3-6 mo. Such a baby might have a milder case at 6 mo if exposed but would not be fully immune then or thereafter. Normal childhood vaccines would be needed to prevent it in the future.

In brief: Yes/no

Chickenpox in early pregnancy rarely injures the fetus but can produce odd skin defects.
The antibodies mom develops after the infection will be shared with the fetus, but disappear within the first 3-6 mo. Such a baby might have a milder case at 6 mo if exposed but would not be fully immune then or thereafter. Normal childhood vaccines would be needed to prevent it in the future.
Dr. James Ferguson
Dr. James Ferguson
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