Do we have to abstain for a certain amount of time while trying to conceive?

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My husband and I are tying to conceive and I already know my most fertile days. However, I want to know if we are supposed to abstain before that to keep his sperm levels good or what? Also after the fertile time in which we have tried, do we abstain or should we use protection or what? Please give me any information you have and how you know it. Links to websites are appreciated, but first hand knowledge is also good. Please and thank you all ahead of time.

Every other day is good when you are trying to conceive. If you abstain for longer than 72 hours then his sperm quality won’t be any good, but if you have sex too often (multiple times a day) then his sperm count might not be high enough. And no, you don’t need to use any protection when you are having sex on your non-fertile days. Just have fun, relax, and let nature take it’s course.
I have read a lot of reports that say every other day is good.
No don’t abstain unless you are very active.Try to keep it to once every other day until your fertile window then every day.
For most couples it doesn’t matter much. Men make plenty of sperm. But most sources recommend ‘trying’ every other day, rather than daily, to give his sperm a chance to recharge.
Once you have ovulated, you can have sex in any pattern you enjoy. It won’t make difference to the egg that has, or has not been fertilized.
every other day is best every1 says to keep the sperm healthy. Good luck