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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To think most 5AA and 4AA rated embryos are boys?

114 replies

wanttobegirlmum · 17/10/2025 14:23

I live in a country where it’s not possible to find out the gender of the embryos before transferring, like it’s possible in the USA for example, although we’ve done PGTA genetic testing. For personal reasons it is likely that the next successful embryo transfer (if we are lucky enough to have a successful one) would be our last baby. I really strongly have a preference towards a girl but our clinic doesn’t let us select embryos. This time I asked to go for a lower graded one, we went for the top graded one anyway because they missed / ignored my request, maybe didn’t pass it onto the embryologist who was defrosting, I don’t know. The next embryo we would go for a 5AA day 6, although they say that it was ready for PGTA only at day 6 but was a blastocyst by day 5. That’s most likely a boy, right? The next one down is 4AA day 6. I’d rather go for our 5BA or even 4BB as I’ve heard more chance of girls with lower grades. Is there any way I can insist on going for a lower graded one? In your experience were your higher rated embryos boys?

OP posts:
HappyMamma2023 · 18/10/2025 20:06

Having had IVF and successful pregnancy resulting in the birth of our beautiful son I think this is insensitive. To actively chose a lower grade which is less likely to result in a successful pregnancy is nuts. And I think the clinic would def advise against it. You said this will be your last pregnancy, why wouldn't you go for the highest quality abd do everything you can go ensure a healthy baby whatever the sex?

SunnySideDeepDown · 18/10/2025 20:08

Deedeebob · 18/10/2025 19:26

You need to seriously catch a grip. Arguing about dying due to childhood illness or being alive is totally irrelevant to this post.
you must not have been through IVF as getting a child at all is the against the odds!

you seem to be going down the thread and commenting on everyone’s post who disagrees with the OP, who by the way posted this on AIBU. Yes she is being unreasonable and it’s you that is projecting!

I disagree but I’m happy to. It’s an opinion board so I commented on other posts because that’s what you do. I’m entitled to think OP isn’t unreasonable and to challenge some of the other viewpoints on the thread.

My point about relativity and being allowed to have preferences, despite others having fertility was valid - sorry you didn’t understand it.

And your point about not having IVF is extremely strange given OP is having IVF and still has gender preference! It’s totally possible to have the two - quite common I would expect. She doesn’t have to diminish her feelings just because she’s undergoing IVF or because others can’t have a child.

Deedeebob · 18/10/2025 20:20

SunnySideDeepDown · 18/10/2025 20:08

I disagree but I’m happy to. It’s an opinion board so I commented on other posts because that’s what you do. I’m entitled to think OP isn’t unreasonable and to challenge some of the other viewpoints on the thread.

My point about relativity and being allowed to have preferences, despite others having fertility was valid - sorry you didn’t understand it.

And your point about not having IVF is extremely strange given OP is having IVF and still has gender preference! It’s totally possible to have the two - quite common I would expect. She doesn’t have to diminish her feelings just because she’s undergoing IVF or because others can’t have a child.

My comment about ivf is hardly strange when the topic under discussion is about ivf! you clearly don’t know much about it. The OP clearly has little perspective on the subject because deciding whether you can just have a girl or boy is naive. My response was reflective of that.

I and others are entitled to our opinions just like you however you are clearly on your high horse.

Anyway I leave you with your patronising posts.

Deedeebob · 18/10/2025 20:22

HappyMamma2023 · 18/10/2025 20:06

Having had IVF and successful pregnancy resulting in the birth of our beautiful son I think this is insensitive. To actively chose a lower grade which is less likely to result in a successful pregnancy is nuts. And I think the clinic would def advise against it. You said this will be your last pregnancy, why wouldn't you go for the highest quality abd do everything you can go ensure a healthy baby whatever the sex?

This 100 percent. Unfortunately some posters on this thread have absolute no reality of the actual success of ivf never mind choosing the sex, however they chose to stick their 2 penny piece and respond to posters with zero empathy whilst at the same time placing themselves on their high horse

OnlyMabelInTheBuilding · 18/10/2025 21:38

SunnySideDeepDown · 18/10/2025 19:09

On a population scale it’s unethical, yes.

But OP sharing her desire to have a girl isn’t unethical. Loads of people time sex, eat special foods, have sex in different positions etc to attempt to have certain sex child - may not work but it’s human nature to have preferences.

Dont make OP feel guilty for being human.

None of the other things you mention are remotely close to trying to select specific embryos in IVF for sex

It’s absolutely unethical.

Blondeshavemorefun · 18/10/2025 23:11

Guess it depends if op desire is to have baby 2 or a girl

no clinic is going to choose a lower grade embryo over a better one

I honestly don’t get the debate whether a boy or girl

after 10yrs ttc and 5 private costly ivf I was just so thrilled and happy to be pregnant
I didn’t care whether a boy or girl

I actually thought was having a boy till scan said girl

either way I was overjoyed to be a mummy

ManicPerchant19 · 18/10/2025 23:48

My girl was a higher grade than my boy (5AA V 3AB)

wearyourpinkglove · 19/10/2025 07:56

My first was grade A, second was grade B. Both girls. Having been through IVF we didn't care about the sex of our babies, we just chose our embryos based on which one was most likely to be successful.

Cinaferna · 19/10/2025 08:30

TickyandTacky · 17/10/2025 14:33

The OP would rather use a lower quality embryo for her IVF than faced with the horror of having a baby boy.

It's a new version of the gender disappointment threads, I'll give you that OP.

No, it isn't. It's an observation that embryos perceived to have the greatest early development and be most viable turn out to be boys, suggesting this branch of medicine has a bias towards the male of the species. Impossible to know if it is true as we can't know the sex of the unused embryos. But it would be an interesting test. How many ivf babies are male, how many are female? What stage was the embryos at after a set number of days?

HeyThereDelila · 19/10/2025 08:53

It’s sex, not gender.

Sex selection of embryos is rightly banned in the UK. It’s eugenics.

Effectively shopping around your graded list of embryos is disgusting and an appalling way to treat human life.

Jamesblonde2 · 19/10/2025 09:19

Yes this is interesting. Does this mean that as IVF is so common now (why it’s common is another interesting question) we are going to be skewing the male/female birth patterns? And then the consequential impact of that. Fewer females for relationships. Wonder what the science bods think of this.

Jamesblonde2 · 19/10/2025 09:23

And threads aren’t just about applying empathy or sensitivity. If it bothers you so much just move on to a different thread.

CinnamonJellyBeans · 19/10/2025 11:47

IVF involves "deselecting" some embryos, by the fact that there are usually more embryos than opportunities to implant. The ability to grade the embryos means that anyone involved in IVF embryo is now able to bypass the usual vagaries of nature and assume a degree of control.

Choosing your embryo based on screening its genetic conditions, or whether it is currently dividing at a frequency likely to provide you with a successful implantation also carries its own ethical debates and dilemmas.

The OP has the perfect moral, legal and ethical right to consider which of the embryos are likely to result in which sex. It may be that she has considered the fact that there is an IVF bias towards male births and feels that she wants to level the playing field, by choosing one of each sex to transfer.. It may be that she feels more maternal when she considers that one if these embryos is likely to be female. If OP was fortunate enough to not need IVF, she'd never have to wrestle with this Impossible choice.

At the end if the process, some viable embryos will nor be selected, regardless of their intrinsic value and this makes the whole selection process very hard to navigate, which is why the OP has asked for advice and support.

acorncrush · 19/10/2025 16:22

Why does the question need to be sensitive? @HappyMamma2023

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