Hormones secreted by the placenta to maintain pregnancy are

1. A. hCG, hPL, progestogens, estrogens
2. B. hCG, hPL, estrogens, relaxin, oxytocin
3. C. hCG, hPL, progestogens, prolactin
4. D. hCG, progestogens, estrogens, glucocorticoids

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