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Home » Does Trigger Shot Cause Lh Surge? Top Answer Update

Does Trigger Shot Cause Lh Surge? Top Answer Update

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HCG is very similar to LH and thus the trigger shot serves as the LH surge, and IUI is scheduled accordingly anticipating that the egg(s) will be released about 36-42 hours following the HCG injection.You might better know hCG as the “pregnancy hormone.” When used as a trigger shot, however, hCG works more like the luteinizing hormone (LH) that is produced in your pituitary gland. LH is secreted right before ovulation and is responsible for preparing the eggs to mature and then burst out from the ovary.Follicular rupture and ovulation usually occur ~36–48 h after hCG injection [32].

Does Trigger Shot Cause Lh Surge?
Does Trigger Shot Cause Lh Surge?

Table of Contents

Does trigger shot increase LH?

You might better know hCG as the “pregnancy hormone.” When used as a trigger shot, however, hCG works more like the luteinizing hormone (LH) that is produced in your pituitary gland. LH is secreted right before ovulation and is responsible for preparing the eggs to mature and then burst out from the ovary.

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How long after trigger shot does LH surge?

Follicular rupture and ovulation usually occur ~36–48 h after hCG injection [32].


hcg trigger and LH surge how they both work and how it can be confusing

hcg trigger and LH surge how they both work and how it can be confusing
hcg trigger and LH surge how they both work and how it can be confusing

Images related to the topichcg trigger and LH surge how they both work and how it can be confusing

Hcg Trigger And Lh Surge How They Both Work And How It Can Be Confusing
Hcg Trigger And Lh Surge How They Both Work And How It Can Be Confusing

Does hCG trigger affect LH surge?

Conclusion. Our study suggests that hCG can be administered at any time between the start of LH rise (≥ 15 IU/L) and LH peak level (≥ 40 IU/L) without a detrimental effect on clinical outcome.

Can I ovulate early with trigger shot?

When Does Ovulation Occur After an HCG Shot? After receiving an injection of human chorionic gonadotropin, ovulation can occur between 24-48 hours, with the average time being within 36 hours. Ovulating as early as 24 hours is less likely, however, it can happen and couples should be prepared.

How do you know if hCG trigger shot worked?

Once your ovarian follicles show the desired diameter, you will receive your HCG shot. After receiving the HCG injection, it will take your eggs 36 to 42 hours to be in prime condition for fertilization‌.

Do follicles keep growing after trigger?

They do continue to grow a little, but the follicle has not reached ovulatory size.

Does trigger shot override LH surge?

HCG is very similar to LH and thus the trigger shot serves as the LH surge, and IUI is scheduled accordingly anticipating that the egg(s) will be released about 36-42 hours following the HCG injection.


See some more details on the topic Does trigger shot cause LH surge? here:


Trigger Shot: What It Is, How It Works, Side Effects, More

It uses an agonist (drug) instead of hCG (hormone) to stimulate a surge of LH. Your doctor may suggest using Lupron if you’re at a higher risk of developing a …

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Ovidrel and Trigger Shots for Fertility Treatment – Verywell …

Typically, there is a surge of LH about 36 hours before the follicle releases the egg. Your body reacts to hCG the same way it does to LH.2.

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Is waiting for an endogenous luteinizing hormone surge and …

As the LH surge can last for up to 2–3 days before ovulation in some patients (Cohlen et al., 1993), a treatment plan based on the LH surge alone can result in …

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Human chorionic gonadotropin administration is associated …

Waiting for LH-surge to happen before giving hCG might be associated with high pregnancy rates when CC is used (whether alone or in combination …

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How do you feel after hCG trigger shot?

Side effects of the hCG injection will mimic pregnancy. Most commonly patients will complain of mild nausea, headaches, fatigue, breast soreness, irritability, abdominal bloating or uterine cramps. Local injection site irritation has also been noted more commonly with the uhCG.

What should LH be before trigger?

Conclusion. Our study suggests that hCG can be administered at any time between the start of LH rise (≥ 15 IU/L) and LH peak level (≥ 40 IU/L) without a detrimental effect on clinical outcome.

What should LH be after trigger shot?

The mean level of serum LH at 12-h post-trigger was 46.6 ± 23.2 IU/l (range: 9.7–151.2 IU/l). Oocyte maturity was calculated only for patients undergoing ICSI. Oocyte yield, maturity and fertilization rate were 61.1, 78.3 and 71.5%, respectively.

What should LH be after trigger?

The average post-trigger LH level was 69.3 IU/L (10.5–133.3 IU/L). The average rise in LH was 66.8 IU/L (10.0–129.4 IU/L) from a baseline of 2.5 IU/L (0.2–9.4 IU/L).


7 Things About the Trigger Shot You Didn’t Know

7 Things About the Trigger Shot You Didn’t Know
7 Things About the Trigger Shot You Didn’t Know

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7 Things About The Trigger Shot You Didn'T Know
7 Things About The Trigger Shot You Didn’T Know

Can you use ovulation test after trigger?

Eight to 10 days after your Ovidrel shot (or positive ovulation kit) you may have a blood test to measure your level of progesterone. After ovulation occurs, the follicle turns into a corpus luteum which produces progesterone. A blood pregnancy test may be positive as early as 14 days after your HCG shot.

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When do you ovulate after ovidrel trigger shot?

Ovulation typically occurs within 24 to 36 hours of an Ovidrel injection. If you’re having timed sexual intercourse with an Ovidrel shot, your doctor will likely recommend you have sex the night of the injection and every night after for two to three days.

How big are follicles at Trigger?

In most centers, triggering is administered once two to three ovarian follicles are at least 17–18 mm in diameter.

What should I do after trigger shot IUI?

We usually start progesterone support 1-2 days after the insemination. Intercourse is allowed after the IUI if desired, and a pregnancy test is done 14-16 days later. It is important to note that an hCG trigger will result in a positive pregnancy test until the body has completely metabolized the medication.

Does a trigger shot release all mature follicles?

Most often, it is administered as part of the IVF timeline so we can retrieve all of the mature eggs. However, these shots may also be used as part of less-invasive fertility treatment measures (more on that below).

How long does washed sperm survive in uterus?

A : Washed sperm normally live for 6-12 hours, but, sometimes as long as 24 to 48 hours. It should not be kept for too long. Thus, the timing for IUI is so important that it is advisable to do insemination within 3 hours.

What size follicle is too big for IUI?

Patients may return the next day for insemination if the follicles are large (18mm) or in 2 – 3 days if follicle growth is slower. Cancel the cycle, if too many (4 or more) follicles are growing quickly.

What is the best size follicle to get pregnant?

Follicles of 16–22 mm are more likely to yield mature oocytes than smaller follicles, while larger follicles would more likely yield “post-mature” oocytes that are not competent for fertilization [6].

What is a dominant follicle in left ovary?

A dominant ovarian follicle refers to the follicle that enlarges to release an ovum during a menstural cycle. Usually approximately 10 Graafian follicles begin to mature where one becomes a dominant follicle and the rest become atretic ovarian follicles.

How can I trigger my LH surge?

Gonadotropin treatment

Gonadotropin is another type of fertility treatment that your doctor can use to help increase your LH levels. This medication contains both LH and follicle-stimulating hormone (FSH), and once injected, these hormones work together to produce and mature multiple follicles for ovulation.


LH Surge in Ovulation

LH Surge in Ovulation
LH Surge in Ovulation

Images related to the topicLH Surge in Ovulation

Lh Surge In Ovulation
Lh Surge In Ovulation

Does LH rise with hCG?

It has been suggested that hCG expression may elevate the peak range of LH, thereby aiding in the promotion of ovulation [35]. In addition, lingering hCG could enhance progesterone production at luteal phase onset.

How long does it take sperm to reach the egg after IUI?

Once the sperm enters the reproductive system, it can take about 30-45 minutes to reach the egg. For this, it is important to have a healthy sperm which has the right kind of motility to reach the egg and fertilize it.

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