Conceiving a child can be an exciting time for couples, but it may take longer for some. Many factors can affect fertility in men and women, and identifying the root causes is essential to finding the right solutions.
In this article, we’ll explore the factors that impact male and female fertility and how couple fertility tests in Singapore can benefit couples trying to conceive.
Male Fertility
Male fertility is determined by a man’s ability to produce healthy, motile sperm in sufficient quantities, supported by well-regulated hormonal activity. Several key characteristics define a fertile male:
- Sperm count: A fertile male typically has a high sperm count, with over 15 million sperm per millilitre of semen. A higher sperm count increases the chance of fertilising an egg.
- Sperm motility: For conception to occur, sperm must be able to swim effectively toward the egg. At least 40% of the sperm should exhibit proper motility, meaning they move progressively in a straight line rather than in circles.
- Sperm morphology: Sperm shape and structure are crucial for successful fertilisation. A fertile male will have a higher percentage of sperm with a regular shape, featuring an oval head and long tail, which helps the sperm penetrate the egg.
- Healthy hormone levels: Fertile males typically have balanced levels of reproductive hormones like testosterone, which supports sperm production. Additionally, hormones like luteinising hormone (LH) and follicle-stimulating hormone (FSH) help regulate sperm maturation.
- Proper seminal fluid: The quality of seminal fluid, which nourishes and transports sperm, is also important. A healthy volume and consistency of semen can support sperm on their journey to the egg.
Now that we know the characteristics of a fertile male, let’s look into the factors that disrupt them.
Biological Factor
- Age: Male fertility declines with age, especially after 40, as sperm quality and motility decrease.
- Hormonal imbalances: Imbalances such as low testosterone levels can affect sperm production and quality.
- Varicocele: This condition, involving swollen veins in the scrotum, can impair sperm production by affecting blood flow and temperature regulation.
- Infections: Past infections, like sexually transmitted infections (STIs), can damage the reproductive organs, affecting sperm production.
Lifestyle Factor
- Smoking: Tobacco use can reduce sperm quality and damage DNA within the sperm.
- Alcohol consumption: Excessive alcohol intake can cause lower sperm count and decreased sperm motility.
- Obesity: Being overweight or obese can affect hormone levels, reducing sperm quality.
- Stress: Prolonged stress can affect hormonal regularity, impairing sperm production and function.
Female Fertility
Like male fertility, female fertility is vital in the process of conception. The following are some characteristics of a fertile female:
- Regular ovulation: One of the most critical signs of female fertility is regular ovulation, which usually happens mid-cycle. Women who ovulate regularly each month have a higher chance of releasing a healthy egg for fertilisation.
- Good ovarian reserve: A fertile female will have a healthy ovarian reserve. This is seen by the quantity and quality of eggs remaining in her ovaries. While ovarian reserve naturally declines with age, fertile women in their reproductive years generally have sufficient viable eggs.
- Healthy reproductive organs: Fertile women have a healthy uterus and fallopian tubes, free from abnormalities such as fibroids, polyps, or blockages. These conditions can affect the egg’s ability to travel to the uterus or the embryo’s ability to implant successfully.
- Balanced hormone levels: Fertility in women is closely tied to hormones such as oestrogen, progesterone, and FSH. These hormones regulate the menstrual cycle and support egg maturation, ovulation, and the preparation of the uterine lining for implantation.
- Regular menstrual cycles: A fertile woman usually experiences regular menstrual cycles between 21 to 35 days. Regular cycles indicate that ovulation is occurring predictably, which is essential for conception.
Some factors that can affect female fertility are as follows:
Biological Factor
- Age: Fertility declines as women age, particularly after age 35, when the number and quality of eggs diminish.
- Ovulatory disorders: Disorders like polycystic ovary syndrome (PCOS) or hypothyroidism can prevent regular ovulation, making it difficult to conceive.
- Endometriosis: This condition develops when abnormal tissue grows outside the uterus, causing inflammation and scarring, which can impact fertility.
- Uterine or fallopian tube abnormalities: Structural issues such as fibroids, polyps, or blocked fallopian tubes can hinder the ability to conceive.
Lifestyle Factor
- Weight: Being underweight or overweight can be a contributor to irregular ovulation or menstrual cycles, which can affect fertility.
- Smoking: Smoking can damage eggs and reduce the likelihood of successful implantation after fertilisation.
- Alcohol: Excessive alcohol consumption may disrupt hormonal balance and reduce fertility.
- Stress: High stress levels can affect ovulation, leading to irregular cycles and making it harder to conceive.
Couple Fertility Factors
In some cases, fertility issues may not solely arise from either partner but from combined factors that affect both.
Relationship Factors
Relationship dynamics such as sexual frequency, timing, and emotional connection can impact the chances of conception. For example, couples who are experiencing stress or emotional strain may engage in intercourse less frequently, reducing their chances of conceiving.
Environmental Factors
Environmental factors such as being exposed to toxins, chemicals, and radiation can impact the fertility of both men and women. Examples include:
- Occupational hazards: Jobs that involve exposure to harmful chemicals or radiation can affect reproductive health.
- Pollution: High levels of air pollution may cause lower fertility rates in both men and women.
Benefits of Couple Fertility Test
Couples who have been struggling to conceive may feel anxious and uncertain about the reasons behind their fertility challenges. A couple fertility test can provide valuable insights into both partners’ reproductive health, offering clarity and guiding them toward the right solutions.
The test evaluates both partners, providing a holistic view of fertility health and identifying potential issues preventing conception. As fertility issues are identified, couples can take steps to address them, increasing their chances of successful conception.
Fertility testing also allows healthcare providers to create customised treatment plans based on the specific needs of each couple, improving the likelihood of achieving pregnancy.
Couple Fertility Test in Singapore
Infertility in couples is challenging and can be emotionally taxing if they’re left to figure it out alone. At W Gynae Women’s Clinic, we offer couple fertility testing designed to identify potential obstacles to conception.
Our experienced team will guide you through the entire process, from initial consultations and testing to personalised treatment plans based on your unique needs.
Book an appointment for fertility health screening in Singapore.