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Hypothyroidism during pregnancy causes defective development and maturation of the growing baby leading to stunted growth (cretinism), mental retardation, low intelligence quotient, abnormal skin, deaf-mutism, etc.

1. Growth hormone secreted by Anterior pituitary
2. Corpus luteum secreted Progesterone
3. Oxytocin is secreted by Posterior pituitary
4. Melatonin is a hormone that regulates the 24 hour rhythm of our body such as the sleep-wake cycle etc.

Correct answer: Growth hormone secreted by Anterior pituitary

Solution

The symptoms described are due to impaired growth and development, which are classically linked to growth hormone from the anterior pituitary. Among the options, only this hormone-gland pair fits the growth-related effects; the others regulate reproduction, water balance, or circadian rhythm.

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