Not sure why the OP is getting the hard time she has. Her husband has every right to refuse contraceptive methods he's not comfortingly with, equally so is OP, it makes total sense for both of them to take ejaculating inside her without protection off the table. OP has taken sole responsibility for all those years, and has took the physical labour and serious risks that come with carrying and birthing a baby. People keep saying he has bodily autonomy and shouldn't be pressured into surgery he doesn't want, absolutely true, but the OP also has bodily autonomy and shouldn't be pressured into pumping more hormones into her body, of dealing with a termination or another childbirth if she does become pregnant again, if they both don't want to use any of the current contraceptive options fear of an unwanted pregnancy common sense is not to pressure the OP into submitting and doing more shit to her body just her dh can continue to ejaculate unprotected inside her but remove unprotected ejaculation as an option all together.
Complications with vasectomy is worry but serious complications come with female sterilisation, taking hormones, termination, childbirth. Why is the man's worries valid and should be respected but the woman's dismissed and she's told to get a coil (my mum got pregnant with one of those) because abstaining is emotional blackmail etc?
My own husband wasn't keen on vasectomy and I was refused sterilisation myself because apparently at 34 I didn't know my own mind and might decide I want a second. I've used various hormonal contraceptives, the pill, the implant etc etc, dh often said he'd get a vasectomy (without me asking) but it was something he never got to, when I found a breast lump and had surgery to remove it, I was told they'd found an extra lump which wasn't cancer yet but would have developed into breast cancer and that with the family history of breast cancer on my mums side I'm at a higher risk and was advised to stop the pill immediately.
The very next day after my results my husband phoned to get the snip organised off his own back, we didn't have unprotected sex until he got the all clear and he used condoms the few times we did have PIV but he couldn't relax and would either withdraw even with a condom or we just didn't have PIV.
The PP who implied abstaining due to worry about unwanted pregnancy means the person never liked sex and must have felt they were being raped is ridiculous. I've been raped and worrying about getting pregnant is fuck all like being raped.