High blood pressure is quite normal during pregnancy. In fact, it’s the most common medical problem in pregnancy. Sometimes, this rise in blood pressure remains after childbirth, causing postpartum hypertension.
Immediately after childbirth, blood pressure drops but may tend to rise again in the first five days after delivery. In addition, women with normal blood pressures during pregnancy may also experience brief hypertension in the early days of motherhood.
Postpartum hypertension occurs when blood pressure values of 140/90mmHg and above are observed on more than two occasions within a four-hour window after childbirth.
Severe hypertension is defined as a systolic blood pressure of 160 mmHg or more and/or diastolic blood pressure of 110 mmHg or more on 2 or more occasions repeated within a short period of time (minutes).
There is no specific cause of hypertension after pregnancy. But the following may put a woman at risk of having postpartum hypertension:
A wider variety of antihypertensive agents are available for managing hypertension after childbirth compared with the antenatal period. This is because the effect of a baby’s presence on his/her mother’s system ends at birth.
Whenever a new mum has a personal or family history of hypertension, reduced levels of blood potassium, and other related conditions, her doctors would have to monitor her blood pressure closely.
The best kind of antihypertensive drug to use after childbirth is one that will:
The following are antihypertensive drugs with no known adverse effects on babies receiving breast milk:
Both are beta-blockers. Asthmatic women and mothers with a history of heart problems should avoid this drug.
Atenolol requires only a single dose per day, putting it at an advantage over others since it increases compliance in women who find multiple doses difficult.
This is a Calcium channel blocker that functions by reducing the diameter of blood vessels. In addition, it doesn’t really seep into breast milk.
With a doctor’s approval, Nifedipine can initially be prescribed at a dose of 10–20 mg twice daily. However, once control is established, the daily dose can be converted to 30-60mg.
Other anti-hypertensive drugs include:
The first-line agent is Atenolol in combination with Nifedipine. Nevertheless, if the mother wishes to breastfeed her baby, diuretics are usually avoided because of the increased thirst it causes. Because of the risk of postnatal depression, sedation, and postural hypotension, Methyldopa should be avoided after childbirth.
Early detection and management of postpartum hypertension is essential to prevent further complications. In addition to this, hypertensive mothers should follow the doctor’s prescription and advice religiously.
Finally, you should avoid over-the-counter drugs at all times.
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