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My wife and I are in our early 30s We have been married for almost 5 years and we don’t have kids. Some people are coming up to us and giving us advice on children; or actual on how to make children like you should swim everyday, or just relax or take this vitamin, or eat peppers, or dont eat peppers or have more sex, have less sex quit your job, pretend your riding a push bike or stop jogging one misconception that i think is driving lots of this is the belief that after 35 your walking off a cliff, fertility just drops this is driven by the statistic that 1 out of 3 women who are >35 years old will not get pregnant with a year This number, 1 in 3, has been used in some fairly official capacities but you need to ask yourself the question “where does it come from?” that what i started to look into this number, 1 in 3, comes from France in the 1700s.
It looked at lots of women and saw how many go pregnant. but it didnt consider if they were trying to get pregnant or even if they were sexually active and that means that there are millions of people today who are told to get pregnant based on a statistic, 1 in 3, that comes from a time before electricity, antibiotics or fertility treatment So, is there a better data set we can look at? and the answer is yes.
There is more up to date data we can use and it tells a very different story A more recent study considered about 800 women in Europe and the study found that women in their late 30s who had sex at least twice a week had an 82% chance of getting pregnant within a year compared with 86% for women 27-34 years old a drop of only 4% and essentially there is no difference between women in their late 20s or early 30s another study from Boston university follow about 3000 danish women it found that of women in their late 30s 35 – 40 78% got pregnant within a year compared to 84% for women 20 -34 again only a slight difference A 3rd study from the university of North Carolina focused just on older women.
Women 38 or 39. It found that 80% of white women in this age range who were not overweight got pregnant within 6 months with lower results for other races or people who are overweight most studies don’t see a big drop in fertility until above the age of 40 However we need to think not just about likelihood of getting pregnant but also complications with pregnancies like miscarriage, high blood pressure and chromosome issues like down syndrome in general all of these things get more likely with age but probably not as much as you think most of the data on miscarriage is focused on women who go through IVF pregnancies so its not a good source to use however there is good data for blood pressure and chromosome issues for just generic issues genetic issues the rate is about 1% for women 35, 2% for women who are 40, and 13% for women who are 45 specifically for down syndrome it is about 1 in 500 when you are 20, 1 in 400 when you are 30, and 1 in 65 when you are 40 and finally, for blood pressure it impacts about 2% of women who are 30 and 4% of women who are 40 so the data tells us 2 core things.
Fertility decreases with age and complications increase BUT the vast majority of women, at any stage in their 30s will be able to get pregnant on their own and deliver a healthy baby as a simple guide, it is recommended to have your last child before the age of 40 after 40 you are rolling a dice it may work out or maybe there will be consquences and finally with all of these numbers keep in mind that these statistics only represent the 100s or 1000s of women in the studies they don’t represent all women trying to conceive Each couple is unqiue I hope this video challenged your view that 35 years olds have some type of fertility cliff and have to rush if you want to learn more, I have included links below or see your doctor Give me a thumbs up and subscribe below. Thanks for watching
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