Many people believe that if you've had a baby naturally, fertility problems won't happen in the future. This isn't true. Fertility changes with age, health, and time, and many women experience difficulties when trying for a second pregnancy. This is known as secondary infertility.
What is secondary infertility?
Secondary infertility is the difficulty of conceiving again after a previous pregnancy without assisted reproductive treatments.
It's more common than you might think—studies suggest it affects 10–15% of couples trying for a second child. In other words, one in ten may face more challenges than the first time.
It's more common than you might think—studies suggest it affects 10–15% of couples trying for a second child. In other words, one in ten may face more challenges than the first time.
Why infertility can occur after already having a child
1- Age
Age is a major factor in fertility. From 35 onward, both the quality and quantity of eggs decline, and after 40, chances of natural conception drop significantly. A pregnancy at 27 does not guarantee an easy conception at 37.
2- Changes in male fertility
Male fertility isn't constant either. Common changes include:
- Lower sperm count or motility.
- Increased oxidative stress.
- Hormonal shifts.
- Effects of lifestyle, toxins, or infections.
3- New medical conditions
Conditions that affect fertility can develop between pregnancies, such as:
- Endometriosis.
- Thyroid issues.
- Uterine polyps or fibroids.
- Polycystic ovary syndrome (PCOS).
- Scarring or adhesions from cesarean sections or complicated births.
- Autoimmune disorders.
4- Lifestyle changes
Stress, lack of rest, daily routines, and the mental load of parenting can all indirectly impact fertility. Less frequent sexual activity or timing that doesn't align with fertile days can also play a role.
For all these reasons, if you are trying for a new pregnancy naturally, specialists' recommendations are clear: seek a consultation after 12 months of trying if you are under 35, or after 6 months if you are 35 or older.
Remember, a consultation does not necessarily mean undergoing treatment. Its purpose is to assess your current fertility and rule out treatable causes. Identifying potential issues early helps you make informed decisions and find the best path forward. If you would like a free, no-obligation fertility assessment, you can fill out our form, and we will call you to schedule an appointment at a time that suits you.