Preconception Bloodwork: What to Test and Why

Bloodwork is an important part of preconception care, providing valuable insight into your menstrual health, nutrient status, hormone balance, and overall wellness. Ideally, any underlying deficiencies or health concerns can be identified and addressed before conception.

Think of preconception care as an opportunity to create the healthiest possible environment for your baby to grow and develop over nine months. By understanding your health before pregnancy, you can take proactive steps to support your fertility and prepare your body for this next chapter.

What Bloodwork Should You Consider Before Pregnancy?

The following tests may be recommended as part of preconception care. Testing should always be individualized based on your medical history, symptoms, and reproductive goals.

VITAMIN D:

Vitamin D supports immune function, bone health, and normal cellular development. It also plays a role in reproductive health, and assessing levels can help identify deficiencies that may benefit from supplementation.

IRON:

Iron supports oxygen transport throughout the body, while ferritin reflects your stored iron. Identifying low iron levels before pregnancy can help support energy levels and prepare your body for the increased iron demands of pregnancy.

VITAMIN B12:

Vitamin B12 is essential for red blood cell production, DNA synthesis, and neurological development. Ensuring adequate levels before conception supports maternal health and the development of your baby's brain and nervous system.

THYROID PANEL:

Thyroid hormones influence metabolism, menstrual cycle regulation, and ovulation. Because thyroid hormones are also essential for early fetal development, identifying and managing thyroid imbalances before conception is important.

CHOLESTEROL PANEL:

Cholesterol testing provides insight into cardiovascular and metabolic health. Abnormal lipid levels may occur alongside conditions such as PCOS and insulin resistance, making this assessment useful for some individuals.

BLOOD SUGAR:

Fasting glucose, fasting insulin, and HbA1c tests can help assess blood sugar regulation and potential insulin resistance. This is particularly relevant for individuals with PCOS or irregular cycles, as metabolic imbalances can affect ovulation and increase the risk of certain pregnancy complications.

C-REACTIVE PROTEIN (CRP):

CRP is a marker of inflammation in the body. When clinically indicated, it can provide additional insight into potential inflammatory concerns.

REPRODUCTIVE HORMONES:

Hormone testing can help assess menstrual cycle function and investigate potential causes of irregular ovulation or difficulty conceiving. Depending on your symptoms, testing may include:

• FSH and LH: Involved in follicle development and ovulation.

• Estradiol: Supports menstrual cycle regulation and development of the uterine lining.

• Prolactin: Elevated levels can interfere with ovulation and menstrual regularity.

• Progesterone: Helps assess whether ovulation has likely occurred and supports the uterine lining after ovulation.

Hormone levels fluctuate throughout the menstrual cycle, so appropriate timing is important for meaningful results.

An Individualized Approach to Preconception Care

There is no one-size-fits-all approach to preconception bloodwork. Your recommended testing will depend on your medical history, menstrual cycle, current symptoms, and individual needs. Additional investigations may be considered when appropriate.

The goal is to identify potential concerns, address nutrient deficiencies, and support your overall health before pregnancy. By taking a proactive approach to your health, you can feel more informed and confident as you prepare for your fertility journey.