'Clean eating' fad has left young women struggling to get pregnant

How the ‘clean eating’ fad has left countless young women struggling to get pregnant, by EVE SIMMONS – who took six years to fully recover from her own battle with obsessive dieting

  • Social media influencer Izzy Judd has struggled with disordered eating
  • She opened up on Instagram about her ‘unhealthy obsession with losing weight’
  • The behaviours impacted her fertility, resulting in three years without menstrual cycles and impacting her ability to conceive
  • Experts have accused super-skinny celebrity mothers of promoting ‘unrealistic examples of fertile bodies’

A picture shared on my Instagram feed – or more precisely the caption – stopped me in my tracks. It was Izzy Judd – wife of Harry Judd, former winner of Strictly and drummer with pop band McFly.

Izzy, an author and social-media influencer, was dressed in a bikini and had her killer abs on display while clutching a baby.

Her words, shared with her 300,000 followers, offered a glimpse of her struggle with disordered eating – a subject I’ve long been willing celebrity mothers to come clean about.

At the time the picture was taken – in 2018, and after the birth of her second child, Kit – Izzy was battling an ‘unhealthy obsession with losing weight’. She wrote: ‘I was undernourished, exercising obsessively, running on adrenaline and looking after two under two.’

A picture shared on my Instagram feed – or more precisely the caption – stopped me in my tracks. It was social-media influencer Izzy Judd, dressed in a bikini and had her killer abs on display while clutching a baby

Most interesting was the disclosure that these behaviours impacted her fertility, resulting in three years without menstrual cycles, impacting her ability to conceive and leaving her with osteoporosis. I recognised this predicament instantly.

The Mail on Sunday warned of it last year, when experts accused super-skinny celebrity mothers, known for their extreme diet and exercise regime, of promoting ‘unrealistic examples of fertile bodies’ and failing to come clean about their fertility treatments.

Doctors also warned of a lack of awareness among young women of the detrimental impact of these extreme lifestyles on fertility. Fad dieting, and having little body fat, can affect the balance of sex hormones needed for regular menstrual cycles, including periods – and conception.

But Izzy’s post also struck a chord with a personal battle. I’ve written previously about my history of anorexia, the deadliest eating disorder, which I experienced in my early 20s.

My illness stemmed from an unhealthy obsession with diets promoted on Instagram, in an attempt to obtain the unattainable, toned physiques of fitness influencers. But I never expected that six years after making a full physical recovery, my periods would still be missing.

Thankfully, they returned at the beginning of this year. But doctors I’ve seen say my reproductive hormones are still in disarray. It is likely that, when the time comes, I will struggle to conceive.

Now experts say the problem is worse than ever, with few women aware of the potential long-term impact of fad dieting on fertility.

‘This is one of the most common situations I see,’ says Dr Lisa Webber, a consultant gynaecologist specialising in irregular periods at St Mary’s Hospital in London.

‘Anecdotally, the numbers are increasing. A lot of women will have gynaecologists who don’t understand the problem and push them down the IVF route. Many believe their lifestyle is good for their reproductive health, and I have to tell them otherwise.’

Dr Nicola Rinaldi, a hormone expert who runs a 6,000-user-strong Facebook community for women experiencing fertility problems resulting from dieting, adds: ‘I’ve had large numbers of women accessing our help over the past five years.

At the time the picture was taken – in 2018, and after the birth of her second child, Kit – Izzy, wife of Harry Judd, former winner of Strictly and drummer with pop band McFly, was battling an ‘unhealthy obsession with losing weight’

‘Under-eating and over-exercising can disrupt every phase of a woman’s monthly cycle and, depending on the phase, it is possible they won’t notice there’s a problem until they try to conceive.’

With this in mind, I wondered if a few months of obsessive dieting was the tip of the iceberg for Izzy. It turns out I was right.

Speaking to The Mail on Sunday, she revealed details of her struggle with tyrannical eating disorders – including orthorexia, an unhealthy obsession with healthy eating – which she believes may be partly to blame for five years of on-and-off fertility struggles.


More than a quarter of women seeking fertility treatment have a history of eating disorders, according to an American study.

Now, at 37, she is on the path to recovery from this ‘clean eating’ fad, but still suffers the repercussions, including early-onset osteoporosis and a ‘complicated’ relationship with food.

She says: ‘It was an obsession with everything that I was putting in my body. Everything had to be “clean”, and what I classified as “healthy”.

‘It was like a domino effect. Once I’d cut one food group from my diet because it wasn’t “healthy” enough, I’d move on to another, until all that was left was fruits and vegetables.

‘If I stayed with family, I’d take my own food, and I avoided going to friends’ houses for dinner. I was doing high-intensity exercise classes four or five days a week. It was too much to keep my body working properly, and my periods stopped.

‘It’s not surprising my body wasn’t fertile. But at the time I didn’t join the dots.’

Missing periods without an underlying disorder is known as hypothalamic amenorrhea, thought to affect three per cent of women aged 17 to 44.

The problem lies with a disruption of the signals sent by the hypothalamus in the centre of the brain, which is responsible for the menstrual cycle.

In healthy women, the brain sends signals to the ovaries, instructing them to grow follicles which house an egg, – and, ultimately, triggers the surge of hormones that causes the egg to be released.

If an egg is not fertilised, another surge of hormones spark the shedding of the womb lining – a period. But in hypothalamic amenorrhea, this delicate cascade of hormonal signals is disrupted.

‘The hypothalamus is sensitive to changes in the external environment, especially stress and weight changes,’ says Dr Webber. ‘Women have to reach a certain threshold of body fat for the hypothalamus to signal for the release of an egg.’

But some experts say it takes only a small amount of weight loss to disrupt the system.

‘It’s not just people with anorexia who lose their periods because of over-exercising and not eating enough,’ says Dr Webber. ‘Most women I see aren’t underweight. Some have a genetic composition that means they need a higher amount of fat than others.’

Dr Webber adds that the hypothalamus is also sensitive to ‘any external stress’ – either via a lack of adequate nutrition, too much exercise or psychological stress.

‘Studies show that even too few carbohydrates in the diet can stop periods. It’s an evolutionary tool to make sure there’s enough energy in the tank to sustain a pregnancy.’

Although Izzy had long been ‘healthy eating conscious’, her habits became ‘disordered’ in August 2017, shortly after the birth of Kit when life, she says, was feeling out of control.

‘In hindsight, there were warning signs, as I’d always been anxious about eating healthily, especially when I was trying to get pregnant the first time,’ says Izzy, who is naturally a slim size 10 to 12.

‘But it got out of hand after I had Kit. I had two small children and was trying to juggle full-time work and writing a book – everything felt all over the place and food was something I could control.

‘First, I cut out meat because I went off it when I was pregnant, so I convinced myself I couldn’t have it. Then I started missing breakfast because I was rushing to get the kids to nursery.

‘But then I’d get to lunchtime, do a workout and realise I hadn’t eaten anything since the evening before and get a bit of a buzz out of it. After a while it became part of my way of dealing with the stress I was feeling.’

Soon Izzy’s mind became consumed with thoughts about the ‘right’ foods to eat, to achieve optimum health.


One jogger in every ten shows signs of exercise addiction – especially those who are anxious or lonely, say Hungarian researchers. 

‘When something about healthy eating came up on my social media feed, I’d attach myself to it and ruminate over it. Suddenly, everything I was seeing on social media was about what to eat – like when you’re getting a certain type of new car and overnight you start seeing that car all over the place.

‘For lunch I’d eat a few rice cakes with a bit of avocado, and dinner was soup or a salad – but I had to have exactly the same ingredients every night. I had this feeling that everything needed to be pure and clean.

‘It was like, well I can’t have that because it’s not clean. Before you know it, you’re limited to having not very much at all.’

This pattern is synonymous with Izzy’s eating disorder, orthorexia, where sufferers are obsessed with eating ‘correctly’ and which experts warn is affecting increasing numbers of youngsters.

It is estimated to affect one to seven per cent of the population and rising cases have been linked to the explosion of health and fitness influencers spouting spurious diet advice on social media.

Sufferers don’t always lose weight but many do. Within 18 months, Izzy had gone down to a size 6. She says: ‘There was a lot of exercising. I’d walk an hour to and from nursery on an empty stomach, followed by a high intensity exercise class for an hour. That was four or five days a week, every week.’

According to Dr Rinaldi, half of women who do intensive exercise most days won’t be releasing an egg for fertilisation.

Husband Harry simply ‘got used’ to her rigid routine.

‘I was still eating – I was just very strict about what I did and didn’t eat. And, to look at me, I didn’t look too thin, it just appeared as if I was in good shape. On the outside, there was nothing to worry about.’

The clean eating trend – foods without any artificial ingredients – disguised her disordered habits when eating out with friends. ‘All the cookbooks on social media and new shops opening up were vegan. It was trendy to be super health-conscious, so I blended in.’

For three years, Izzy didn’t have a period. ‘I didn’t think to join the dots – I had no idea my “healthy” diet and exercise routine could affect my fertility,’ she says. ‘My periods have been irregular in the past, so I assumed it was the same thing.’

It wasn’t the first time Izzy had suffered missing periods. She and Harry spent two years trying to get pregnant naturally in 2016, when Izzy’s periods were ‘sporadic’, before turning to IVF to conceive their first child, Lola.

At the time, doctors blamed the problem on polycystic ovary syndrome, or PCOS – a diagnosis that Izzy has always doubted.

‘I think hypothalamic amenorrhea was the reason why it wasn’t working,’ she says.

‘It might have started as anxiety, as I was anxious about not getting pregnant. But soon I got obsessive about what to eat to help us conceive. Everything I read told me to cut out dairy, or cut out gluten, so I did.

‘And I thought, if I exercise a lot it might fix the problem.’

When the couple conceived the second time, without fertility treatment, Izzy was unusually relaxed with her self-imposed health rules.

‘I didn’t have time to worry about what I was eating because I was recovering from the birth and didn’t have time with a one year-old. I subsequently had two consecutive periods for the first time in years. And in that month I got pregnant.’

Experts say it’s not uncommon for women with hypothalamic amenorrhea to be misdiagnosed with PCOS.

‘I see it all too often,’ says Renee McGregor, a dietician who specialises in eating disorders and orthorexia.

‘Hypothalamic amenorrhea can mimic the tell-tale signs of the syndrome. Once patients start eating properly, their periods come back and the other PCOS-like signs, such as under-developed follicles on the ovaries, vanish.

‘That’s why it is crucial doctors ask patients about their diet and exercise routine before making a diagnosis.’

In late 2018, Izzy’s GP ordered a scan that revealed she had abnormally weak bones. She was then diagnosed with osteopenia, the early stages of osteoporosis.

Hormones released during a normal menstrual cycle, such as oestrogen, are vital for growing new bone cells.

‘None of the doctors asked about what I was eating, or how much I was exercising,’ she says. ‘I had no reason to think the two problems were linked.’

When Covid hit in the spring of last year, Izzy’s mental health deteriorated further. ‘I was stuck inside with no gym and the only thing I could do was concentrate on what I was going to eat,’ she says.

‘I had to explain to Lola why I wasn’t eating lunch with the children. Then, in August, we celebrated Kit’s birthday and I had this amazing cake made, and everyone said how delicious it was. I was the only one who didn’t have a slice – I felt I couldn’t.’

At the end of last year, Izzy bumped into a friend who told of her struggles to conceive due to diet-related hypothalamic amenorrhea. When her friend stopped dieting, her periods returned and she fell pregnant.

‘I thought, oh my god, this is me,’ says Izzy.

‘Everything clicked. I bought a book about hypothalamic amenorrhea and read chapters to Harry. I started to talk to people about my obsessive thoughts about food. They all said they knew I had a problem, they were waiting for me to feel comfortable to speak about it.’

Although Izzy never went to the GP for a formal diagnosis, she saw a private therapist who offered cognitive behavioural therapy – the gold-standard therapy for eating disorders. She says: ‘Once I had the support, I became determined to get my periods back.’

The couple’s desire for a third child was a motivating factor. Izzy tasked her husband with cooking all meals.

‘I said, “I don’t want to know if there’s a spoonful of sugar in there. Just don’t tell me.”

‘I stopped all exercise and starting eating breakfast again, like porridge and granola.’

After four months, Izzy had a period. ‘I started feeling things I hadn’t felt for years – I knew my body was working again.’

A month later the couple conceived naturally, and in September this year the couple’s third child, Lockie, was born.

Izzy says: ‘It’s been one of the hardest things I’ve had to do. Lockie is a blessing – he’s a reminder of my huge achievement and the fact I fought one of my biggest battles to have him.’

But Izzy is one of the lucky ones. Recovering a healthy menstrual cycle after so long without one isn’t easy for everyone. Although I’m a healthy weight and having periods, gynaecologists tell me I am probably not ovulating.

If I wanted to get pregnant now, I’ve been told I’d have to take fertility drugs to stimulate ovulation. If they don’t work, it’s IVF.

Studies show that up to a third of women with diet-related hypothalamic amenorrhea struggle to get their periods back at all.

‘For some, it takes up to 15 months for their cycles to return to normal and for ovulation to happen regularly,’ Dr Webber says.

‘For others, it only takes an hour of extra walking a day to tip the balance and pause their cycles. On the flip side, skipping a weekly gym class or having an extra portion of ice cream could bring them back.

‘But doctors need to talk to women about their lifestyle, rather than relying on drugs.’

If you have been affected by the issues here, contact Beat, the UK’s eating disorder charity, at beateatingdisorders.org.uk.

COVID Q&A: Will we follow Europe with a lockdown, and is booster doing its job?

Q: Why are some European countries now going into lockdown, and will we follow suit?

A: Covid infection rates in parts of Europe are rising sharply, forcing some countries to take drastic steps. Austria tomorrow begins a ten-day lockdown, which could be extended if infections don’t start to fall. The country already had a lockdown in place for unvaccinated people, and from February it will be a legal requirement for all residents who qualify for the Covid jab to get it.

Meanwhile, Germany and Greece have hinted at tougher measures as their own rates creep up.

Austria’s infection rate had soared to 971 per 100,000 people. The UK’s rate is now about 350.

Experts say a key factor behind the upsurge in Austria and elsewhere seems to be low vaccine uptake. Just under 65 per cent of Austrians have had two doses, one of the lowest rates in Europe. In the UK it’s about 80 per cent.

Prime Minister Boris Johnson has refused to rule out another lockdown here, but it’s likely the Government would first implement some of its Plan B measures, such as compulsory mask-wearing on public transport and in shops, banning those without a Covid vaccine pass from certain crowded venues, and encouraging more people to work from home again.

Mr Johnson also warned that Europe’s ‘storm of infection’ could cause cases to shoot up in the UK.

Many scientists disagree, saying Europe is experiencing the spike that the UK saw last month.

Q: Has our booster campaign affected infection rates?

A: New evidence from Imperial College London shows that an extra jab reduces the risk of infection by two-thirds compared with having just two jabs. The study, which tested 8,000 people after their booster, found that just 0.3 per cent contracted the virus.

A separate analysis by the Office for National Statistics recently found that triple-jabbed patients are 80 per cent less likely to catch Covid than those who have had no jabs at all. Experts believe this is largely why infections appear to be falling in the UK.

Some experts have warned that it is vital to speed up the UK’s booster campaign to keep Covid rates in check over winter.

More than 14 million Britons have now had their top-up jab – 24 per cent of those who need it.

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