These hormones are not found in the semen of chimpanzees, suggesting this phenomenon may be a human male counter-strategy to concealed ovulation in human females.
Phone Contact Numbers. Customers have one phone number to call for customer support, but the phone number is listed as a sales number. Under the customer support page, there are no phone numbers listed. Order support: 1-800-823-4929.
For product support or other inquiries, contact us by any of the methods below. PHONE. You may call our 1-800-345-DELTA (3358) Customer Service number and speak with a representative. The Delta Help Line is available: