Fertility Treatment Ovulation Induction

Medical treatment to support regular ovulation and improve chances of conception in women with irregular or absent menstrual periods.

Ovulation Induction

If you are not ovulating regularly, becoming pregnant naturally can be more difficult. Ovulation induction is a fertility treatment designed to help stimulate the ovaries to release an egg, improving the chance of conception.

What is ovulation induction?

Ovulation induction is a treatment used to encourage or regulate ovulation using fertility medication. Ovulation is the process where an ovary releases an egg during each menstrual cycle. For most women and individuals with a uterus, ovulation occurs roughly once every month. 

For pregnancy to occur naturally, ovulation needs to happen regularly so sperm can fertilise the egg after it is released. However, if you do not ovulate consistently, ovulate irregularly, or do not ovulate at all, it can be difficult or impossible to time intercourse at the right time in your cycle for conception to take place.

Ovulation induction may be recommended for women with:

  • Irregular menstrual cycles
  • Absent periods
  • Ovulation disorders including PMOS (formerly PCOS) or premature ovarian insufficiency (POI)
  • Unexplained infertility
  • Difficulty predicting ovulation timing

Ovulation induction may either be combined with timed intercourse with your male partner, or intrauterine insemination (IUI) with your partner’s or a donor’s sperm.

The ovulation induction process

Ovulation induction treatment is tailored to your individual cycle, fertility history, and response to medication.

1

Fertility assessment and cycle evaluation

Before treatment begins, Dr Anna will review your medical history, menstrual cycle, fertility concerns, and any previous investigations or treatment. 

You may also require fertility tests such as:

  • Hormone blood tests, including anti-Müllerian hormone (AMH)
  • Pelvic ultrasound
  • Ovulation tracking
  • Assessment of fallopian tube function
  • Semen analysis if you are conceiving with a male partner

These investigations help identify factors affecting fertility and determine whether ovulation induction is likely to be beneficial.

2

Ovulation induction treatment

Ovulation induction usually involves medication that encourages the ovaries to mature and release an egg. In some cases, these medications are administered via injection, while other treatments are available in oral tablet form. Deciding which medication is best for you can depend on a few factors, including your personal preference and underlying ovulation disorder.

Weight management can be a valid ovulation induction treatment for some women, as excess body fat is known to interfere with hormone balance and ovulation. For women with PMOS/PCOS, a surgical treatment known as ovarian drilling may help to regulate normal ovulation.

3

Monitoring ovulation

During treatment, your cycle may be monitored using blood tests and ultrasound scans. This helps assess how your ovaries are responding and identify when ovulation is likely to occur.

Monitoring also helps reduce the risk of complications such as releasing too many eggs in one cycle and allows Dr Anna to adjust your medication dosage or type if necessary.

4

Timed conception

Once ovulation is approaching, Dr Anna will advise you on the best timing for intercourse or insemination to maximise your chances of conception.

A pregnancy test is usually performed around two weeks after ovulation.

Understanding ovulation induction success rates

Success rates with ovulation induction vary depending on factors such as age, the cause of infertility and underlying ovulation dysfunction, egg quality, sperm health, and overall reproductive health.

Ovulation induction success rates per cycle are similar by age to women with normal fertility, assuming that no other fertility-impacting factors are present. If you are aged 35 or younger, you have a 10-20% chance of conception per ovulation induction cycle. For women aged over 35 years old, this rate decreases to 5-10%. If there are other factors involved, such as endometriosis, or male factor infertility, this may further reduce your monthly chance of pregnancy. 

Dr Anna will discuss your individual likelihood of success and whether ovulation induction is the most appropriate treatment option for your circumstances. For some people, it may be sensible to try this minimally invasive fertility treatment first before moving on to more intensive treatment options such as IUI or IVF.

Frequently Asked Questions

Unfortunately, no fertility treatment can guarantee pregnancy but instead aims to reduce the impact of barriers that may be affecting natural conception. Ovulation induction may improve the chance of conception by supporting regular ovulation, but success also depends on factors such as age, egg quality, sperm health, and overall reproductive health.

Yes. Ovulation induction is commonly used to help women with PMOS (previously termed PCOS) who ovulate irregularly or not at all. Many women with PMOS respond well to fertility medication and monitoring.

The number of treatment cycles varies between individuals. Some women conceive within the first few cycles, while others may require further treatment or additional fertility investigations if pregnancy does not occur.

Ovulation induction is generally considered safe, but like all fertility treatments, it can involve some risks and side effects. Some possible side effects of the medications may include headaches, breast tenderness, bloating, and mild cramping.

In some cases, fertility medication can increase the chance of multiple pregnancy or overstimulation of the ovaries (known as ovarian hyperstimulation syndrome). Careful monitoring with Dr Anna and her clinical team helps minimise these risks.