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From Natural Conception to IVF: Understanding The Pathways to Parenthood
From Natural Conception to IVF: Understanding The Pathways to Parenthood

From Natural Conception to IVF: Understanding The Pathways to Parenthood

February 5, 2025

By Eve Lee, Cofounder & CEO

The journey to parenthood can take many paths. While some couples conceive naturally, others may need a little extra help. Whether you’re just starting out or exploring treatments like IVF, understanding your options is the first step toward building the family you want.

Natural Conception: How It Works

Natural conception happens when three key factors align:

  1. Ovulation: An egg is released from your ovary during ovulation, typically once per cycle.
  2. Sperm: Healthy sperm travels through the reproductive tract to meet the egg in the fallopian tube.
  3. Fertilisation and Implantation: Once fertilised, the egg travels to the uterus and implants in the uterine lining, beginning pregnancy.

Timing Is Key

Conception can only happen during the fertile window—the 5 days leading up to ovulation, ovulation day, and sometimes the day after. Since sperm can survive up to 5 days in the reproductive tract, having intercourse in the days leading up to ovulation maximises your chances.

Learn more about how timing conception really works and how to track ovulation with irregular periods to nail this down.

Challenges to Natural Conception

Sometimes, even when everything seems right, conception can be difficult. Common challenges include:

  • Ovulation Problems: Conditions like PCOS can disrupt or prevent ovulation.
  • Male Fertility Issues: Issues with sperm health, such as low sperm count, poor motility (movement), or abnormal shape can make fertilisation harder.
  • Age-Related Decline: Egg quality and quantity naturally decline after age 35, reducing the chances of conception.
  • Structural Issues: Problems like blocked fallopian tubes or uterine fibroids (growths in the womb) can prevent sperm and egg from meeting, or the embryo from implanting in the womb.

When to Seek Help

  • If you’re under 35 and haven’t conceived after 12 months of trying.
  • If you’re over 35, seek advice after 6 months.
  • If you have irregular cycles, painful periods, pain or symptoms preventing intercourse, or concerns about male fertility, it’s worth consulting a specialist sooner.

Ovulation Induction: Supporting Natural Conception

If testing reveals ovulation challenges, ovulation induction is often the first step. Medications like clomiphene citrate or letrozole encourage the ovaries to release an egg, making ovulation more predictable.

  • How It’s Done: Medications are taken during the early part of your cycle to stimulate egg development. This usually would just be oral medications, rather than injections.
  • With Natural Intercourse: Ovulation induction is often paired with timed sexual intercourse, offering a minimally invasive way to conceive.

Intrauterine Insemination (IUI): Enhancing the Process

For couples needing more support, IUI combines ovulation induction with a boost in sperm delivery.

  • How It Works: Sperm is collected, washed, and concentrated so that healthy sperm are left. The processed sperm is then placed directly into the uterus during ovulation.
  • Why It Helps: By bypassing the cervix, IUI ensures that the sperm has the best chance to reach the egg, especially if there are mild issues with sperm health.

Compared to ovulation induction alone, IUI can improve success rates by reducing the distance sperm must travel and optimising timing.

In Vitro Fertilisation (IVF): Advanced Options

For couples facing more complex challenges, IVF offers the highest chances of success.

How IVF Works:

  1. Ovarian Stimulation: Medications are used to stimulate the ovaries to produce multiple eggs in one cycle.
  2. Egg Retrieval: Mature eggs are collected through a minor procedure.
  3. Fertilisation in the Lab: A single healthiest sperm is selected to fertilise the eggs in a controlled environment, creating embryos.
  4. Embryo Selection and Transfer: Healthy embryos are chosen for transfer to the uterus.

Why IVF Helps:

  • More Eggs, More Chances: Collecting multiple eggs in one cycle, rather than the 1-2 eggs from natural conception or IUI, increases the chances of creating healthy embryos.
  • Choosing the Best Sperm: Fertilisation is done using the healthiest sperm, which can be especially helpful if sperm quality is an issue.

While IVF offers significant advantages, it’s important to note that it is not an easy process to go through, and success may take more than one cycle. Consulting with a fertility specialist can help set realistic expectations.

Fertility Testing: Your First Step

Before diving into treatments, fertility testing provides a clear picture of your reproductive health.

What to Expect:

  • Hormonal Testing: Evaluates hormones like AMH (ovarian reserve), FSH (follicle-stimulating hormone), and LH to check for ovulation issues or conditions like PCOS.
  • Ultrasounds: Assess the health of the ovaries and uterus, identifying conditions like fibroids, polyps, or thin uterine lining that make pregnancy difficult.
  • Semen Analysis: Tests sperm count, motility (how well sperm move), and morphology (shape) to detect male fertility factors.


These tests help pinpoint the cause of delays and guide your doctor in recommending the best course of action, whether that’s ovulation tracking, IUI, or IVF. To get started, you can book a couple's fertility screening or an in-depth reproductive health screening for women with Taylor easily in just a few steps.

Moving Forward

Every fertility journey is unique, and there’s no single path that works for everyone. Starting with fertility testing can bring clarity, helping you understand your options and focus on what’s best for your situation.

If you’re just beginning your TTC (trying to conceive) journey, it’s natural to feel a mix of excitement and uncertainty. While getting pregnant can seem simple for some, it’s often more nuanced than we realise. Patience, consistency, and understanding your fertile window can make all the difference.

Whether you’re trying naturally, exploring ovulation induction, or considering treatments like IVF, know that you’re not alone in this. We’re here to support and guide you, helping you move closer to the family you dream of.

This content is for general guidance only and should not be considered medical advice.

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