Genetic counseling would be appropriate for which of the following couples?
◦ JJ and Jennifer, who are in their early 30s and have just completed an unsuccessful round of artificial insemination
◦ Stephen and Kerry, who are in their early 20s and have been trying to become pregnant but have been unsuccessful for the last two months
◦ Merriam and Samir, who are in their early 40s and have a history of miscarriages and infertility
◦ Ngyuen and Pham, who are in their early 30s and both have a history of diabetes