Doc suggests either tubal ligation or vasectomy to my husband&i so that i can stop gaining weight from hormone contraceptives. is this a good option?

Maybe if older.: If still young, such as under age 35 years, people can consider non-permanent contraception. For women, an IUD works well. Some IUDs don't even have hormones. The IUDs that do have hormones only have tiny amounts of them. For men, condoms work well. A condom has the added benefit of not leaving a glob of semen inside his partner's vagina... and thus may help decrease vaginal discharge or odor.