HCG can cause early puberty in younger boys. Call your health practitioner if a boy using this remedy indicates early signs and symptoms of puberty, including a deepened voice, pubic hair increase, and improved pimples or sweating. Generic Island Using HCG can increase your probabilities of having a multiple pregnancy (twins, triplets, quadruplets, and many others). A multiple being pregnant is a high-threat being pregnant for the mom and for the toddlers. Follow your health practitioner's instructions approximately any unique care you can need all through your pregnancy.