IVF vs Natural Conception: When Should You Consider Fertility Treatment?
For many couples, the journey to pregnancy begins with a simple plan. Stop contraception and try naturally.
But when pregnancy doesn’t happen as expected, the question quickly becomes:
Should we keep trying, or is it time to consider fertility treatment like IVF?
In my practice, supporting patients through fertility, obstetrics and gynaecology, this is one of the most common questions I’m asked. The answer isn’t always straightforward, but understanding the key factors can help you make a confident, informed decision.
How long should you try naturally?
In general:
Under 35: Try for 12 months
35 and over: Try for 6 months
If pregnancy hasn’t occurred within these timeframes, it’s worth seeking specialist advice.
However, there are situations where you should come in earlier, including:
Irregular or absent periods
Known endometriosis or PCOS
Previous pelvic infections or surgery
Male factor concerns
Recurrent miscarriage
Early assessment can often save months, or years, of uncertainty.
What are your chances of natural conception?
Even in healthy couples:
The chance of conception per cycle is around 15–20%
Fertility naturally declines with age, particularly after 35, due to:
Reduced egg quality
Lower ovarian reserve
Increased risk of chromosomal abnormalities
This is why timing matters more than many people realise.
What does IVF actually involve?
IVF (in vitro fertilisation) involves:
Stimulating the ovaries to produce multiple eggs
Collecting the eggs
Fertilising them in a lab
Transferring an embryo into the uterus
It’s not always the first step and not everyone needs IVF.
In many cases, we explore:
Ovulation induction
Cycle tracking
IUI (intrauterine insemination)
The goal is always to use the least invasive, most effective approach for your situation.
When IVF may be recommended
IVF is typically considered when:
Fallopian tubes are blocked or damaged
Severe male infertility is present
Other treatments have not been successful
Age-related fertility decline is significant
It can also be used for:
Genetic testing (PGT)
Fertility preservation
IVF vs natural: It’s not either/or
One of the biggest misconceptions is that IVF replaces natural conception.
In reality:
Many couples conceive naturally after investigation and guidance
Others benefit from targeted treatment without needing IVF
IVF is simply one tool, not the default path
The most important step is understanding what’s actually happening in your individual case.
Why early advice matters
Delaying assessment can reduce options over time.
Seeing a specialist early allows us to:
Identify any underlying issues
Provide clarity and direction
Avoid unnecessary stress and guesswork
Even if everything is normal, reassurance alone can be incredibly valuable.
When to book an appointment
If you’re asking yourself:
“Is something wrong?”
“Should we keep trying?”
“Are we leaving it too late?”
That’s usually the right time to have a conversation.
A specialist, personalised approach
Fertility care should never feel rushed or one-size-fits-all.
My approach focuses on:
Clear answers
Evidence-based care
Tailored treatment plans
Supporting you at every stage of the journey
Take the next step
If you’re unsure whether to keep trying naturally or explore fertility treatment, booking a consultation is the best place to start.
About Dr Greg Jenkins
Dr Greg Jenkins is a specialist obstetrician and gynaecologist and Head of Obstetrics and Gynaecology at Westmead Public Hospital. He provides obstetric, fertility and gynaecological care in Western Sydney and delivers at Norwest Private, Westmead Private and Westmead Public Hospitals.
Appointments: 02 8805 7900
