What changes and when
LDL cholesterol and apolipoprotein B commonly rise across the menopausal transition, and the change tracks menopausal status rather than age alone. Because cardiovascular disease presents later in women and is under-recognised in them, this shift often goes unremarked until a decade later.
Why ApoB rather than LDL alone
LDL cholesterol measures how much cholesterol is being carried. ApoB counts the particles carrying it — one ApoB per atherogenic particle — and it is the particles that lodge in the arterial wall. Two women with identical LDL can have meaningfully different particle counts, and the discordance is most common in exactly the people with insulin resistance or high triglycerides.
Lp(a) is the one you inherit
Lipoprotein(a) is largely genetically determined, stable through life, and an independent contributor to cardiovascular and aortic valve risk. Diet and exercise barely move it. That combination — important, inherited, unresponsive to the usual advice — is why it is worth measuring once, properly, and why a high result means the other modifiable risks deserve more attention rather than less.
Key points
- LDL and ApoB commonly rise across the transition, tracking menopause.
- ApoB counts particles; LDL weighs their cargo.
- Measure Lp(a) once — it is inherited and stable.
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