Day 126 baby development and maternal changes

A: Completely normal. Most first-time mothers clearly feel movement only at 18-22 weeks; mothers who’ve given birth before feel it a little earlier; heavier builds, placenta praevia or an anterior placenta also delay the sensation. The week-20 ultrasound can confirm, so don’t worry about "not feeling anything".

A: You only need about 340kcal extra a day (ACOG, roughly a glass of milk plus an egg plus a small handful of nuts), not eating for two. Choose high-protein, high-fiber foods for a fuller feeling, give up sugary drinks and snacks, and walk after meals. Gaining too fast raises the risk of GDM and a large baby.

A: It’s not advised. The baby’s eyelids reopen only around weeks 26-28, so light barely reaches the retina; the evidence for "visual fetal education" with a torch is limited and it could even stimulate the uterus. Relaxing, talking and light music are safer as fetal education.

A: The first sensation is like a butterfly fanning its wings, a small fish bubbling, a gurgle in the gut or a tiny flutter, easily mistaken for intestinal gas. It’s felt most after meals in a quiet time and in the evening. Recording it helps for later kick counting.

A: For a standard BMI, about 0.4-0.5kg a week in the second trimester, with a cumulative gain of roughly 3-5kg by week 18 being common. Watch the trend — you can use a weight-gain calculator to manage it by BMI — and ask your doctor if it’s too fast or too slow.

A: The three measurements at 18 weeks are BPD (biparietal diameter) about 40mm, AC (abdominal circumference) about 126mm, and FL (femur length) about 25mm. If the three are in step, the head, abdomen and legs are developing well; a single slight deviation isn’t necessarily abnormal — go by the doctor’s overall assessment.

A: Weight, blood pressure, fundal height, abdominal circumference, listening to the fetal heart (Doppler about 110-160 beats per minute); some hospitals also run routine blood and urine tests. These are the regular items for assessing the basic condition of mother and baby.

A: Practise sleeping on your left side to increase uterine-placental blood flow, using a pregnancy pillow; comfort is the priority, brief right-side or flat positions are fine, and avoid lying face-down on the belly.

A: ACOG advises about 150 minutes of moderate-intensity exercise accumulated weekly (walking, prenatal yoga, swimming), split over 5 days at about 30 minutes a day. Avoid intense exercise and pressure on the abdomen; stop and seek care for pain or bleeding.

A: It’s recommended. The CDC and ACOG recommend that pregnant women receive the inactivated flu vaccine: pregnant women are at higher risk of severe flu, the vaccine protects mother and baby, and it is safe at every stage. During flu season (September to April) you can get vaccinated; tell them you’re pregnant.

A: If there’s no placenta praevia, bleeding or cervical insufficiency, gentle sex is fine using positions that don’t press on the belly and with gentle movements. Pause if you feel unwell or the doctor advises against it; see a doctor for post-sex bleeding or pain.

A: The forward centre of gravity and relaxed ligaments make lumbar soreness and back pain common. Avoid standing or sitting too long, wear low supportive shoes, sleep on your side with a pregnancy pillow, do prenatal yoga and pelvic-floor exercises, and apply local heat. Severe pain on one side, or with bleeding or fever, needs medical attention.

A: Eat more fiber-rich fruit and vegetables, drink 1.5-2L of water daily, walk after meals, and toilet on a regular schedule. In serious cases consult a doctor for a pregnancy-safe laxative rather than buying a stimulant laxative yourself.

A: Avoid raw or undercooked meat, fish and eggs, high-mercury large fish, unpasteurised dairy, alcohol, caffeine over 200mg/day, and excess liver.

A: Flying is more comfortable in the second trimester; most airlines don’t require a certificate before 32 weeks and need one after 32 weeks (most prohibit flying after 36 weeks). Choose an aisle seat, stay hydrated, and use compression stockings; ask your doctor first if you have bleeding, pain or placenta problems.

A: Absolutely. The anomaly scan is done at weeks 20-24 with tight slots that often need weeks of lead time; book this week to avoid missing the best window.

A: Build it up with red meat, liver (≤50g a week) and spinach paired with vitamin C; once diagnosed, the doctor will prescribe an iron supplement, taken apart from calcium tablets and dairy for better absorption.

A: Higher oestrogen increases white discharge; milky-white, clear and odourless is normal. Yellow-green, foul-smelling, itchy discharge or large amounts of watery leakage needs medical attention; wear cotton underwear and don’t douche.

A: About 50-90% of pregnant women get stretch marks, related to genetics and the speed of weight gain. Slow steady weight gain, moisturising massage and moderate exercise can reduce them, but they can’t be fully avoided; most fade after delivery.

A: Occasional brief tightening is usually a sensitive uterus or ligament tugging and is common if it resolves on its own. If it becomes regular (every 10 minutes), or comes with pain/bleeding/leakage, seek medical attention.