In the given case it is indicating maternal infection. The correct option is 1.
Tachycardia is a clinical descriptor for a heart rate that exceeds 100 beats per minute.
Tachycardia can be caused by a variety of heart rhythm irregularities. A increased pulse frequency isn't always a cause for concern. For example, the heart rate usually increases during exercise or in response to stress.
A fetal heart rate of 180 beats per minute may indicate intrauterine infection and fetal distress.
FHR may be affected by gestational hypertension, gestational diabetes, and a high-sugar diet.
Thus, the correct option is 1.
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