Pregnancy: Conception – Maternity – Trimester
Week 9 of pregnancy: fetal stage begins and body structure formation

Week 9 of pregnancy: fetal stage begins and body structure formation

A major developmental milestone: from embryo to fetus Week 9 marks the beginning of the in many pregnancy -by- descriptions. During the earlier nic period, the central task is establishing the body plan and laying down the precursors of the major . In the period, those structures continue to grow, mature, and become more recognizable […]

Week 8 of pregnancy: major organ development and transition to fetal stage

Week 8 of pregnancy: major organ development and transition to fetal stage

Where week 8 fits in early pregnancy Pregnancy is usually counted from the first day of the last menstrual period, not from conception. At 8 s pregnant by this convention, the itself is younger than 8 s post-fertilization, but this is the standard timing used in clinical care. Around this , the NHS describes the […]

Week 7 of pregnancy: brain face and limb development with rapid growth

Week 7 of pregnancy: brain face and limb development with rapid growth

How big is the embryo at week 7? By 7 of pregnancy, the is still very small, measuring around 10 mm in length according to the NHS week-by-week pregnancy guide. Size can vary, and measurements are interpreted in context by healthcare professionals, especially because ovulation and implantation timing can differ from one person to another. […]

Week 6 of pregnancy: heart development organ formation and ultrasound expectations

Week 6 of pregnancy: heart development organ formation and ultrasound expectations

How pregnancy dating works in week 6 Pregnancy are counted from the first day of the , not from conception. In a typical 28-day cycle, week 6 of pregnancy corresponds to about four after fertilization. However, many people ovulate earlier or later than day 14, and implantation timing also varies. This is why a pregnancy […]

Week 5 of pregnancy: embryo growth neural tube and early ultrasound signs

Week 5 of pregnancy: embryo growth neural tube and early ultrasound signs

What is happening in week 5? Week 5 is part of the nic period, a time of foundational organ formation. Although pregnancy is counted as five s the ]], typically occurred around three s earlier in a 28-day cycle. This distinction matters because appearances and blood hormone levels can differ substantially if ovulation or happened […]

Week 4 of pregnancy: implantation completion and early pregnancy confirmation

Week 4 of pregnancy: implantation completion and early pregnancy confirmation

Where week 4 fits in pregnancy dating Pregnancy is usually dated from the day of the ]], not from the day of . This can feel counterintuitive because, at 4 s pregnant, the itself is generally much younger, around 2 post-conception if occurred near the middle of a typical 28-day cycle. This dating system matters […]

Week 3 of pregnancy: fertilization implantation and early embryo development

Week 3 of pregnancy: fertilization implantation and early embryo development

Why week 3 is often the week of conception Pregnancy is usually dated from the day of the ]], not from the exact day of fertilization. This convention is used because the menstrual period is usually easier to identify than or . In a typical 28-day cycle, occurs around day 14, and fertilization may occur […]

Week 2 of pregnancy: ovulation conception timing and preparation for implantation

Week 2 of pregnancy: ovulation conception timing and preparation for implantation

Why week 2 is counted before conception Pregnancy is based on the day of the period, often abbreviated as LMP. This convention is used because the exact day of ovulation and is not always known, while the period is usually easier to identify. As a result, the two s of a dated pregnancy occur before […]

Week 1 of pregnancy: how it is calculated and what is happening in your body

Week 1 of pregnancy: how it is calculated and what is happening in your body

Why Week 1 is counted before you are actually pregnant The phrase “Week 1 of pregnancy” is a medical dating convention rather than a statement that an is already developing. In most spontaneous pregnancies, occurs around , typically about two s the first day of the ]] in a 28-day cycle. Because many do not […]

How to improve egg quality naturally

How to improve egg quality naturally

Understanding egg quality: what can and cannot change Egg is not a single lab value. Clinically, it is reflected through several outcomes: whether an oocyte matures appropriately, whether fertilization occurs, how embryos develop, and whether chromosomal segregation happens correctly. A major component is mitochondrial function, because oocytes require large amounts of energy for maturation, fertilization, […]