(Closed) Help with BD and SMEP

posted 6 years ago in TTC
Post # 3
Bee
6473 posts
Bee Keeper
  • Wedding: June 2011 - Sydney, Australia

@luli29:  The plan always confuses me. I can understand the logic behind it (to give the man time to ‘replenish’ and make quality sperm) but the days and timing are always a bit tricky. Maybe follow it loosely & skip the middle day, but BD on days before & after?

Post # 4
Member
5109 posts
Bee Keeper

I dunno what SMEP is…but it was my understanding was that the sperm that comes out of a man was made 90 days ago, so what you do today and yesterday doesn’t matter as much as what he did for the last 90 days. But I’m not sure, I could’ve misunderstood…

Post # 6
Member
1040 posts
Bumble bee
  • Wedding: January 2010

@luli29:  Unless your cycles are exactly the same each and every time, even FF’s recommended fertile days might not necessarily be correct. If you’re thinking of doing the SMEP, I would stick wiyouths plan and your OPKs, and worry less about what FF says. That way, if you ovulate a day earlier or later, you’re still covered.

I hope that makes sense!! 

Post # 8
Member
955 posts
Busy bee
  • Wedding: April 2011

It really shouldnt make a difference if you skip that day. Sperm can live for up to 5 days in you.

Post # 10
Member
5109 posts
Bee Keeper

@luli29:  Not necessarily on the day exactly 90 days ago, but what he’s done and what things he has exposed his body to (alcohol, smoking, etc) over the last cumulative 90 days affect his sperm today, so not BD’ing for one day isn’t going to affect it that much. Like, I dont know if I’m explaining this well, but if he ejaculates inside you tomorrow, he doesn’t make the sperm for the next night in the following 24 hours before you BD again. It was made 90 ish days ago and takes 90 days to mature. Kind of like how a women takes 14 days to mature an egg. I dunno. It was anatomy and it was a few years ago. LOL.

Post # 12
Member
5109 posts
Bee Keeper

@luli29:  I think the every day vs every other day thing is very dependent on the man.

Imagine hubby…

January 1, he had 100 generic units of mature, swimming sperm inside his scrotum ready to go meet and egg and fertilize it. In addition to those 100 healthy sperm, he has 100 primary spermatocytes, 100 secondary spermatocytes, and 100 spermatids. They are all in different phases of sperm production. That same day, his body made 100 more units of baby sperm called spermatogonia.

April 1, his 100 spermatogonia he made on January 1 have gone through the phases of maturation and are now healthy sperm.

It varies by man because lets say on January 5, he drank a boatload of alcohol. So January 6, he would have a lower amount of spermatogonia that are also lower quality. But those spermatogonia don’t turn into sperm and get ejaculated into you until April 6. Hence why I guess that skipping a day of BD doesn’t affect it that much, because what he’s putting into you now was initially made February 14 (ish, obviously) and has been affected by whatever he’s done since February 14, and not as much by what he does on May 13. Does that make any sense at all? I may be completely crazy.

Also, I think his body adjusts. So if you BD every day, his body will sense that it needs to make 150 spermatogonia to keep up; kinda like breastmilk does, I think.

You know? Does that make sense? I may be completely wrong though, but that’s just what I’m remembering from anatomy. Someone help! Confirm or deny anything I just said hahah. I am totally not sure!

Google Spermatogenesis… that will help too.

Post # 13
Member
5109 posts
Bee Keeper

I typed that before I read your last response haha sorry.

Post # 15
Member
5109 posts
Bee Keeper

@luli29:  Haha, I think that’s what I remember from anatomy. My teacher was a previous med school teacher, and was also a zoologist and combined medical school grade anatomy and 35 years of research in zoology together so it was the hardest class I ever took. Thus, it was the class I studied the hardest for, but the farther I am from it the more foggy things become. Sleep well!

 

If anyone knows anything different, I am curious to know!

Post # 16
Member
1040 posts
Bumble bee
  • Wedding: January 2010

@ChuckNorris:  You may be right, I’m not sure. I have been told, however, that we should only BD every other day, because of supply. But that might just be my RE’s advice in our specific situation, I’m not sure.

As far as the SMEP goes, i wouldn’t worry too much about missing a potential ‘fertile’ day, because as long as you’re sticking to the every-other-day thing, you should be fine. Also, if you BD when you get a positive OPK, you should be early enough to ‘catch’ the egg.

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