I use cassava root supplement fertility pills . They are from a yam root only grown in Nigeria Africa. It could help with hyper ovulation so it could release 2 eggs instead of 1 egg. But majority of the time women conceive 1 baby. You can start it at any time of your cycle but it's best to start with your first day of your period.
You can only get it on eBay or Amazon or foreverblessedtwins .com