Female fertility can be influenced by many factors including age, hormonal health, reproductive conditions and lifestyle factors. Conditions such as PCOS, endometriosis, low ovarian reserve and thyroid disorders are among the most common causes of fertility challenges.
Many women are also unaware that nutrition, lifestyle and targeted supplementation can significantly influence reproductive health and egg quality.
The following guides, written by fertility nutrition expert Dr. Conor Kerley, explain the key conditions that affect female fertility and the nutrients and supplements that may support reproductive health.
Age Over 35 and Egg Quality
Age-related decline in egg quality and quantity contributes to 30–50% of female fertility challenges.
Read the full guide: Fertility and Aged Over 35 and 40: The Best Vitamins and Supplements to Support Natural Conception and getting pregnant women over 35 and 40
Polycystic Ovary Syndrome (PCOS)
PCOS is one of the most common hormonal disorders and contributes to 15–30% of female fertility issues.
Read the full guide: PCOS and Fertility: The Best Vitamins and Supplements to Support Natural Conception in polycystic ovarian syndrome
Endometriosis
Endometriosis can affect fertility through inflammation, scarring and changes in pelvic anatomy, contributing to 15–30% of fertility challenges.
Read the full guide: Endometriosis and Fertility: The Best Vitamins and Supplements to Support Natural Conception in endometriosis and adenomyosis
Low AMH
Low Anti-Müllerian Hormone (AMH) levels may indicate reduced ovarian reserve and contribute to 10–15% of fertility issues.
Read the full guide: Low AMH and Fertility: The Best Vitamins and Supplements to Support Natural Conception in women with low AMH
Diminished Ovarian Reserve (DOR)
Diminished ovarian reserve refers to reduced egg quantity and quality and contributes to 10–15% of female fertility challenges.
Read the full guide: Fertility and diminished ovarian reserve (DOR): Nutrients and supplements Egg Quality to support natural fertility in DOR
Overweight and Obesity
Excess body weight can disrupt hormone balance and ovulation, contributing to 10–15% of fertility issues.
Read the full guide: Overweight, Obesity and Fertility: The Best Vitamins and Supplements to Support Natural Conception in Overweight or Obese women
Uterine Fibroids
Fibroids may interfere with implantation or pregnancy depending on their size and location and contribute to 5–10% of fertility issues.
Read the full guide: Fibroids and Fertility: The Best Vitamins and Supplements to Support natural Conception in fibroids (leiomyomas)
Thyroid Disorders (Hashimoto’s)
Autoimmune thyroid conditions such as Hashimoto’s disease can affect reproductive hormones and ovulation.
Read the full guide: Title: Thyroid (hashimoto’s) and Fertility: The Best Vitamins and Supplements to Support Natural Conception in thyroid issues, including
Hypothalamic Amenorrhea
Hypothalamic amenorrhea occurs when ovulation stops due to stress, low body weight or excessive exercise.
Read the full guide: Hypothalamic Amenorrhea and Fertility: The Best Vitamins and Supplements to Support Natural Conception in Amenorrhea
Primary Ovarian Insufficiency (POI)
POI occurs when the ovaries stop functioning normally before age 40 and contributes to about 1% of infertility cases.
Read the full guide: Primary ovarian insufficiency, and Fertility: The Best Vitamins and Supplements to Support Natural Conception in Primary ovarian insufficiency (POI)
How Nutrition and Supplements May Support Female Fertility
Research suggests that certain nutrients may support reproductive health, hormone balance and egg quality. Nutrients such as omega-3 fatty acids, CoQ10, vitamin D, iodine, selenium and antioxidants may play a role in supporting fertility.
The articles above explore the scientific evidence behind these nutrients and how targeted supplementation may support reproductive health.
Frequently asked questions
What is the most common cause of female infertility?
Ovulatory disorders such as PCOS are among the most common causes.
At what age does female fertility decline?
Fertility gradually declines after age 30 and more rapidly after age 35.
Can supplements improve fertility?
Some nutrients may support egg quality, hormone balance and reproductive health.
What does low AMH mean?
Low AMH suggests reduced ovarian reserve.
The articles above explore the evidence behind these nutrients and how targeted supplementation may support reproductive health.
